Английская Википедия:Hazelia
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Шаблон:Short description Шаблон:Automatic taxobox
Hazelia is a genus of spicular Cambrian demosponge known from the Burgess Shale, the Marjum formation of Utah,[1] and possibly Chengjiang.[2] It was described by Charles Walcott in 1920.[3]
Its tracts are mainly radial and anastomose to form an irregular skeleton.[1] Its oxeas form a fine net in the skin of the sponge.[1]
References
External links
Шаблон:Cambrian-animal-stub
Шаблон:Ordovician-animal-stub
Шаблон:Paleo-sponge-stub
Шаблон:Demosponge-stub
Категории:
- Английская Википедия
- Protomonaxonida
- Burgess Shale sponges
- Maotianshan shales fossils
- Cambrian first appearances
- Middle Ordovician extinctions
- Prehistoric sponge genera
- Taxa named by Charles Doolittle Walcott
- Fossil taxa described in 1920
- Cambrian genus extinctions
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