Английская Википедия:Hosselkus Limestone
Шаблон:Short description Шаблон:Infobox rockunit
The Hosselkus Limestone is an Upper Triassic fossiliferous marine micritic limestone formation that outcrops in Plumas and Shasta Counties, California.[1] It is known for its invertebrate fauna, most notably the many species of shelled cephalopods.
Geology
The geologic column of the nearby Taylorsville region shows the Hosselkus Limestone as 140 ft thick and of Late Triassic (early Karnian) age. It is well exposed near the Cosmopolitan mine on the divide between the Genesee Valley and Hosselkus Creek. It has been recognized at numerous outcrops between Spanish Ranch and Prattville and northwestward beyond Pit River in the Klamath Mountains, and is considered to be younger than the Swearinger slates and older than the Trail beds. It contains numerous Arcestes and abundant pentagonal crinoid stems which indicate it is of Late Triassic age.[2]
Paleofauna
Over 208 described species of invertebrates have been found in the Hosselkus Limestone and nearby Brock Mountain.[3] These species include shellfish, nautilus, snails, and ammonites. Many of these species can be also found in the Mediterranean region, which shows a much closer connection between the American and Mediterranean regions. The Great Basin sea was then the western end of the ancient Tethys, of which the Indian sea was the eastern limit.
A noteworthy feature of this fauna is the abundance of Trachyceras in the area, as in the Mediterranean that genus had dissipated before the advent of the Tropites fauna.[3] This area is rather sharply separated into two faunal subzones. The lower, the Trachyceras subzone, carries an abundance of Trachyceras, Tropites, Paratropites, and Clionites. The upper subzone carries a few survivors of the Tropites group, Juvavites, Gonionotites, Metasibrites, and Arcestes. Discotropites, Sagenites, and the nautiloids occur in nearly equal numbers in the two subzones.[3]
Vertebrates
Vertebrates of the Hosselkus Limestone | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Abundance | Notes | Images |
M. zitteli[4] |
An extinct genus of ichthyosaur. Now referred to as Toretocnemus zitteli. | |||||
N. halius[6] |
A genus of marine diapsid reptile. | |||||
S. alexandrae[8] |
Now referred to S. pacificus.[9] |
|||||
S. altispinus[8] |
Now referred to S. pacificus.[9] | |||||
S. careyi[9] |
Remains formerly attributed to S. careyi are now thought to be from an indeterminate species of Shonisaurus.[10] | |||||
S. osmonti[8] |
Now referred to S. pacificus.[9] | |||||
S. pacificus[8] |
An extinct genus of ichthyosaur. | |||||
Indeterminate.[10] |
An extinct genus of ichthyosaur. Now known as Shonisaurus popularis. | |||||
T. alexandrae[4] |
An extinct genus of marine reptile. | |||||
T. perrini?[4] |
Type skull of T. perrini has not been located. | |||||
T. shastensis?[4] |
Remains formerly attributed to T. shastensis are now thought to be from an indeterminate species. | |||||
T. californicus[8] |
An extinct genus of ichthyosaur. | |||||
T. perrini[11] |
An extinct genus of ichthyosaur. |
Invertebrates
Invertebrates of the Hosselkus Limestone[3] | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Abundance | Notes | Images |
T. armatus |
A genus of extinct cephalopods. | |||||
T. arthaberi |
A genus of extinct cephalopods. | |||||
T. brockensis | A genus of extinct cephalopods. | |||||
T. dieneri | A genus of extinct cephalopods. | |||||
T. dilleri | A genus of extinct cephalopods. | |||||
T. discobullatus | A genus of extinct cephalopods. | |||||
T. fusobullatus | A genus of extinct cephalopods. | |||||
T. hessi | A genus of extinct cephalopods. | |||||
T. johnsoni | A genus of extinct cephalopods. | |||||
T. keili | A genus of extinct cephalopods. | |||||
T. kellyi | A genus of extinct cephalopods. | |||||
T. kokeni | A genus of extinct cephalopods. | |||||
T. mojsvarensis | A genus of extinct cephalopods. | |||||
T. morani | A genus of extinct cephalopods. | |||||
T. morloti | A genus of extinct cephalopods. | |||||
T. occidentalis | A genus of extinct cephalopods. | |||||
T. phillippi | A genus of extinct cephalopods. | |||||
T. reticulatus | A genus of extinct cephalopods. | |||||
T. rotatorius | A genus of extinct cephalopods. | |||||
T. rothpletzi | A genus of extinct cephalopods. | |||||
T. schellwienesis | A genus of extinct cephalopods. | |||||
T. shastensis | A genus of extinct cephalopods. | |||||
T. shearnsi | A genus of extinct cephalopods. | |||||
T. subbullatus | A genus of extinct cephalopods. | |||||
T. torquillus | A genus of extinct cephalopods. | |||||
T. traski | A genus of extinct cephalopods. | |||||
T. urensis | A genus of extinct cephalopods. | |||||
T. welleri | A genus of extinct cephalopods. | |||||
T. wodani | A genus of extinct cephalopods. | |||||
Anatropites | A. hauchecornei | A genus in the ceratitid family Tropitidae. | ||||
Mierotropites | M. tubercularis | A genus of extinct cephalopods. Sometimes referred to as Tropites. | ||||
Margarites | M. jokelyi | A genus of extinct cephalopods. Today referred as Hoplotropites jokelyi. | ||||
M. senilis | A genus of extinct cephalopods. Today referred as Hoplotropites. | |||||
M. septeotrionalis | A genus of extinct cephalopods. Today referred as Hoplotropites. | |||||
Discotropites | D. davisi | A genus in the ceratitid family Tropitidae. | ||||
D. empedoelis | A genus in the ceratitid family Tropitidae. | |||||
D. formosus | A genus in the ceratitid family Tropitidae. | |||||
D. gemmellaroi | A genus in the ceratitid family Tropitidae. | |||||
D. laurae | A genus in the ceratitid family Tropitidae. | |||||
D. lineatus | A genus in the ceratitid family Tropitidae. | |||||
D. mojsvarensis | A genus in the ceratitid family Tropitidae. | |||||
D. sandlingensis | A genus in the ceratitid family Tropitidae. | |||||
D. sengeli | A genus in the ceratitid family Tropitidae. | |||||
D. theron | A genus in the ceratitid family Tropitidae. | |||||
Paratropites | D. arnoldi | A genus in the ceratitid family Tropitidae. | ||||
D. antiselli | A genus in the ceratitid family Tropitidae. | |||||
D. dittmari | A genus in the ceratitid family Tropitidae. | |||||
D. gabbi | A genus in the ceratitid family Tropitidae. | |||||
D. graeilis | A genus in the ceratitid family Tropitidae. | |||||
D. sellai | A genus in the ceratitid family Tropitidae. | |||||
Gymnotropites | G. americanus | A genus in the ceratitid family Tropitidae. | ||||
G. californicus | A genus in the ceratitid family Tropitidae. | |||||
G. laevis | A genus in the ceratitid family Tropitidae. | |||||
G. rotundus | A genus in the ceratitid family Tropitidae. | |||||
G. yatesi | A genus in the ceratitid family Tropitidae. | |||||
Paulotropites | P. colei | A genus in the ceratitid family Tropitidae. | ||||
P. shastensis | A genus in the ceratitid family Tropitidae. | |||||
Tornquistites | T. evolutus | A genus in the ceratitid family Tropitidae. | ||||
T. obolinus | A genus in the ceratitid family Tropitidae. | |||||
Homerites | H. semiglobosus | A genus of small, involute, globase fossil ceratitids. | ||||
Jovites | J. pacificus | A genus in the ceratitid family Tropitidae. | ||||
Bacchites | B. baccus | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | ||||
B. pinguis | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | |||||
B. sphaericus | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | |||||
Leconteiceras | L. californicum | A genus of extinct ammonoid cephalopods belonging to the clionitidae family. | ||||
L. occidentale | A genus of extinct ammonoid cephalopods belonging to the clionitidae family. | |||||
Celtites | C. steindachneri | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | ||||
Tropiceltites | T. caducucs | A genus of extinct ammonoid cephalopods belonging to the tropiceltitidae family. | ||||
Sagenites | S. dickersoni | A genus of extinct ammonoid cephalopods belonging to the haloritidae family. | ||||
S. erinaceus | A genus of extinct ammonoid cephalopods belonging to the haloritidae family. | |||||
S. herbiehi | A genus of extinct ammonoid cephalopods belonging to the haloritidae family. | |||||
S. shastensis | A genus of extinct ammonoid cephalopods belonging to the haloritidae family. | |||||
Juvavites | J. adalberti | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | ||||
J. brockensis | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. damesi | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. edgari | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. externiplicatus | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. intermittens | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. kellyi | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. knowitoni | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. konninki | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. mendenhalli | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. obsoletus | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. shastensis | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. subintermittens | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. subinterruptus | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
J. strongi | A genus of extinct ammonoid cephalopods belonging to the juvavitidae family. | |||||
Gonionotites | G. byatti | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | ||||
G. northi | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | |||||
Metasibirites | M. brockensis | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | ||||
M. coei | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | |||||
M. frechi | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | |||||
M. gracilis | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | |||||
M. modestus | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | |||||
M. mojsvareusis | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | |||||
M. parvus | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | |||||
M. pusillus | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | |||||
M. pygmaeus | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | |||||
M. shastensis | A genus of extinct ammonoid cephalopods belonging to the metasibiritidae family. | |||||
Arcestes | A. carpenteri | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | ||||
A. pacificus | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | |||||
A. shastensis | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | |||||
A. traski | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | |||||
A. whitneyi | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | |||||
A. winnemae | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | |||||
Paraganides | P. califoraieus | A genus of extinct ammonoid cephalopods. | ||||
Dieneria | D. arthaberi | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | ||||
Fremontites | F. ashleyi | A genus of extinct ammonoid cephalopods. | ||||
Hauerites | H. lawsoni | A genus of extinct ammonoid cephalopods belonging to the tibetitidae family. | ||||
Klamathites | K. kellyi | A genus of extinct ammonoid cephalopods. | ||||
K. schueuerti | A genus of extinct ammonoid cephalopods. | |||||
Pinacoceras | P. rex | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | ||||
Discophyllites | D. patens | A genus of discoidal, generally evolute Phylloceratina. | ||||
Sirentes | S. lawsoni | |||||
Sandlingites | S. andersoni | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | ||||
S. oribasus | A genus of extinct ammonoid cephalopods belonging to the ceratitid family. | |||||
Trachycereas | T. beckeri | |||||
T. californicum | ||||||
T. leeontei | ||||||
T. lindgreni | ||||||
T. madisonense | ||||||
T. shastense | ||||||
Clionites | C. americus | A genus of the clydonitacean family Clionitidae. | ||||
C. californicus | A genus of the clydonitacean family Clionitidae. | |||||
C. careyi | A genus of the clydonitacean family Clionitidae. | |||||
C. compactus | A genus of the clydonitacean family Clionitidae. | |||||
C. compressus | A genus of the clydonitacean family Clionitidae. | |||||
C. evolutus | A genus of the clydonitacean family Clionitidae. | |||||
C. fairbanksi | A genus of the clydonitacean family Clionitidae. | |||||
C. merriami | A genus of the clydonitacean family Clionitidae. | |||||
C. minutus | A genus of the clydonitacean family Clionitidae. | |||||
C. nanus | A genus of the clydonitacean family Clionitidae. | |||||
C. osmonti | A genus of the clydonitacean family Clionitidae. | |||||
C. robustus | A genus of the clydonitacean family Clionitidae. | |||||
C. rugosus | A genus of the clydonitacean family Clionitidae. | |||||
C. stantoni | A genus of the clydonitacean family Clionitidae. | |||||
C. tornquisti | A genus of the clydonitacean family Clionitidae. | |||||
C. whitneyi | A genus of the clydonitacean family Clionitidae. | |||||
Metatirolites | M. foliaceus | A genus of extinct ammonoid cephalopods belonging to the ussuritidae family. | ||||
M. quadrangulus | A genus of extinct ammonoid cephalopods belonging to the ussuritidae family. | |||||
M. subpygmaeus | A genus of extinct ammonoid cephalopods belonging to the ussuritidae family. | |||||
Thisbites | T. uhligi | A genus of extinct ammonoid cephalopods belonging to the thisbitidae family. | ||||
Choristoceras | C. kellyi | A genus of extinct ammonoid cephalopods belonging to the choristoceratidae family. | ||||
C. klamathease | A genus of extinct ammonoid cephalopods belonging to the choristoceratidae family. | |||||
Arpadites | A. gabbi | A genus of Ceratitids in the family arpaditida. | ||||
A. kingi | A genus of Ceratitids in the family arpaditida. | |||||
Atractites | A. drakei | A genus of Ceratitids in the family xiphoteuthididae. | ||||
A. philippii | A genus of Ceratitids in the family xiphoteuthididae. | |||||
Dietyoconites | D. americanus | |||||
Proclydonautilus | P. hessi | A genus of the clydonitacean family Clionitidae. | ||||
P. sauperi | A genus of the clydonitacean family Clionitidae. | |||||
P. spirolobus | A genus of the clydonitacean family Clionitidae. | |||||
P. stantoni | A genus of the clydonitacean family Clionitidae. | |||||
P. triadieus | A genus of the clydonitacean family Clionitidae. | |||||
Oxynautius | O. acutus | A genus of the clydonitacean family syringonautilidae. | ||||
Gryptoceras | G. cooperi | |||||
Mojsvaroceras | M. turneri | A genus of Ceratitids in the family Tainoceratidae. | ||||
Cosmonautilus | C. dilleri | A genus of cephalopods included in the nautilid family Clydonautilidae. | ||||
C. hersheyi | A genus of cephalopods included in the nautilid family Clydonautilidae. | |||||
C. pacificus | A genus of cephalopods included in the nautilid family Clydonautilidae. | |||||
C. shastensis | A genus of cephalopods included in the nautilid family Clydonautilidae. | |||||
Halobia | H. cordillerana | A genus of cephalopods included in the nautilid family Halobiidae. | ||||
H. austriaca | A genus of cephalopods included in the nautilid family Halobiidae. | |||||
H. gigantia | A genus of cephalopods included in the nautilid family Halobiidae. | |||||
H. ornatissima | A genus of cephalopods included in the nautilid family Halobiidae. | |||||
H. rugosa | A genus of cephalopods included in the nautilid family Halobiidae. | |||||
H. superba | A genus of cephalopods included in the nautilid family Halobiidae. | |||||
Avicula | A. soperi | A genus of molluscs in the family Pteriidae. | ||||
Gervilleia | G. shastensis | A genus of molluscs in the family Bakevelliidae. | ||||
Pecten | P. sheddi | A genus of large scallops or saltwater clams, marine bivalve mollusks in the family Pectinidae. | ||||
Lima | L. kimballi | A genus of molluscs in the family Limidae. | ||||
Dimyodon | D. storrsi | A genus of molluscs in the family Dimyidae. | ||||
Pachycardia | P. digglesi | A genus of molluscs. | ||||
Cardita | C. jenkinsi | A genus of marine bivalve molluscs, in the family Carditidae. | ||||
Myophoria | M. brockensis | An extinct genus of bivalve mollusk from Europe belonging to the family Myophoriidae. | ||||
Mytilus | M. ursensis | A genus of marine bivalve molluscs, in the family Mytilidae. | ||||
Posidonia | P. jacksoni | An extinct genus of Ostreoidean bivalves. | ||||
P. madisoniensis | An extinct genus of Ostreoidean bivalves. | |||||
Anoplophors | A. shastensis | |||||
Unicardium | U. gleimi | A genus of marine bivalve molluscs, in the family Mactromyidae. | ||||
Worthenia | W. klamathensis | A genus of fossil sea snails, an extinct marine gastropod. | ||||
Collonia | C. occidentalis | A genus of small sea snails with calcareous opercula, marine gastropod mollusks in the family Colloniidae. | ||||
C. obesa | A genus of small sea snails with calcareous opercula, marine gastropod mollusks in the family Colloniidae. | |||||
Patella | P. sheehani | A genus of sea snails with gills, typical true limpets, marine gastropod mollusks in the family Patellidae. | ||||
P. stuarti | A genus of sea snails with gills, typical true limpets, marine gastropod mollusks in the family Patellidae. | |||||
Capulus | C. silverthorni | A genus of small sea snails, marine gastropod mollusks in the family Capulidae | ||||
Omphaloptychia | O. shastensis | A genus of fossil sea snails, in the family Coelostylinidae. | ||||
Dielasma | D. julicum | A genus of extinct brachiopods, or lamp shells. | ||||
Terebratula | T. pyriformis | A modern genus of brachiopod with a fossil record dating back to the Late Devonian. | ||||
Spiriferina | S. coreyi | An extinct genus of brachiopods. | ||||
Spirigera | S. milesi | An extinct species of brachiopods. | ||||
Rhynchonella | R. howardi | An extinct genus of brachiopod, from the family Rhynchonellidae. | ||||
R. richardsoni | An extinct genus of brachiopod, from the family Rhynchonellidae. | |||||
R. winnemae | An extinct genus of brachiopod, from the family Rhynchonellidae. | |||||
Isocrinus | I. californicus | An extinct species of feather star. |
Plants and Fungi
Flora of the Hosselkus Limestone[3] | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Abundance | Notes | Images |
Polycyclus | P. henseli | A genus of fungi in the family Parmulariaceae. | ||||
P. major | A genus of fungi in the family Parmulariaceae. | |||||
P. nodifer | A genus of fungi in the family Parmulariaceae. |
References
External links
- Шаблон:Cite book 318 pp.
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ 3,0 3,1 3,2 3,3 3,4 Шаблон:Cite book
- ↑ 4,0 4,1 4,2 4,3 4,4 4,5 "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 267
- ↑ "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) pp. 265-267
- ↑ "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) pp. 266-267
- ↑ "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) pp. 267-270
- ↑ 8,0 8,1 8,2 8,3 8,4 "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 270
- ↑ 9,0 9,1 9,2 9,3 "4: The Marine Reptiles; Triassic Ichthyosaurs; Shastasauria," in Hilton (2003) p. 88.
- ↑ 10,0 10,1 10,2 "4: The Marine Reptiles; Triassic Ichthyosaurs; Shastasauria," in Hilton (2003) p. 88. Misspelled as "Shonosaurus" in "Appendix: Summary of the Mesozoic Reptilian Fossils of California," Hilton (2003) p. 270
- ↑ 11,0 11,1 "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 270-271
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