Английская Википедия:Astraea (gastropod)

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Шаблон:Short description Шаблон:Automatic taxobox

Файл:Astraea rugosa side view.jpg
Fossil Bolma rugosa with signs of crab predation; Pliocene of Cyprus.
Файл:Turbinidae - Astraea fimbriata.JPG
Fossil shell of Astraea fimbriata from Pliocene of Italy.

Astraea is a genus of medium to large sea snails, marine gastropod mollusks in the family Turbinidae, the turban snails.[1]

Etymology

The Latin genus Astraea means star, with reference to the star-shape of these snails, also commonly called star shells.[2]

Description

Shells of species within this genus can reach a size of about Шаблон:Convert. They have the appearance of a smooth conical shell. The outer edges of the coiled whorls are quite flattened, with prominent axial sculpture. Below widely, it is umbilicate and concave.[2]

Species

Extant species within this genus include:[3]

Fossil records

This genus is known in the fossil records from the Paleocene to the Quaternary (age range: from 61.7 to 0.0 million years ago). Fossils of species within this genus have been found in the sediments of Europe, Australia, United States, Japan, Venezuela, Colombia and Brazil.[4]

Species

Extinct species within this genus include:[4]

  • Astraea (Liotiastralium) venezuelana Weisbord 1962
  • Astraea (Pomaulax) gradata Grant and Gale 1931
  • Astraea (Pomaulax) morani Loel and Corey 1932
  • Astraea (Vitiastraea) holmesi Ladd 1966
  • Astraea bicarinata Suter, 1917
  • Astraea fimbriata Borson 1821[5]
  • Astraea heliotropium (Martyn, 1784)
  • Astraea stellare Gmelin 1791
  • Astraea stirps Laws, 1932
  • Astraea tentoriiformis Jonas, 1844
Species brought into synonymy

Шаблон:Div col

Шаблон:Div col end

References

Шаблон:Commons category Шаблон:Reflist

  • Gofas, S.; Afonso, J.P.; Brandào, M. (Ed.). (S.a.). Conchas e Moluscos de Angola = Coquillages et Mollusques d'Angola. [Shells and molluscs of Angola]. Universidade Agostinho / Elf Aquitaine Angola: Angola. 140 pp.
  • Williams, S.T. (2007). Origins and diversification of Indo-West Pacific marine fauna: evolutionary history and biogeography of turban shells (Gastropoda, Turbinidae). Biological Journal of the Linnean Society, 2007, 92, 573–592

Шаблон:Taxonbar

  1. Bouchet, P. (2012). Astraea Röding, 1798. Accessed through: World Register of Marine Species at WoRMS taxon details on 2012-03-15
  2. 2,0 2,1 The Grazing Snails, Part I - Turbo, Trochus, Astraea, and Kin
  3. Шаблон:Cite web
  4. 4,0 4,1 Astraea Röding 1798 (snail)
  5. Astraea fimbriata, Borson 1821