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Leolasma ✝
Source Data |
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Rank | genus | ||||||||||||||||||||||||||||||||||||
Taxonomy (GBIF) | Life : Animalia : Cnidaria : Anthozoa : Streptelasmatidae : Leolasma | ||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Cnidaria : Anthozoa : Stauriida : Streptelasmatidae : Leolasma | ||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Leolasma Kaljo, 1956 | ||||||||||||||||||||||||||||||||||||
Name Published In | in Kiparisova, Markovski & Radchenko (Eds). Materials on paleontology. New families and Genera. Ministr. Geol. Okran Nedr, Moscow: Vses. nauchno-issled. Geol. Inst. (VSEGEI) 12 | ||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 7 | ||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 461 - 456 Ma Ordovician | ||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 443 - 433 Ma Silurian | ||||||||||||||||||||||||||||||||||||
Motility | stationary, attached (based on Rugosa) | ||||||||||||||||||||||||||||||||||||
Vision | blind (based on Anthozoa) | ||||||||||||||||||||||||||||||||||||
Diet | suspension feeder (based on Rugosa) | ||||||||||||||||||||||||||||||||||||
Taphonomy | low Mg calcite (based on Rugosa) | ||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Leolasma abnorma ✝ species | accepted (GBIF) listed (PBDB) | ||||
Leolasma holtedahli ✝ species | listed (PBDB) | 5 | 461 Ma Middle Ordovician | 458 Ma Middle Ordovician | |
Leolasma kaljoi ✝ species | accepted (GBIF) listed (PBDB) | 1 | 443 Ma Silurian | 443 Ma Silurian | |
Leolasma pachycolumnars ✝ species | accepted (GBIF) listed (PBDB) | 3 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Leolasma reimani ✝ species | accepted (GBIF) listed (PBDB) | 2 | 461 Ma Middle Ordovician | 458 Ma Late/Upper Ordovician | |
Leolasma sociale ✝ species | accepted (GBIF) listed (PBDB) | 2 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Streptelasma holtedahli species | accepted (GBIF) | No associated record in PBDB |
Synonymy List
Year | Name and Author |
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1956 | Leolasma Kaljo |
1981 | Leolasma Hill |
2002 | Leolasma Sepkoski, Jr. |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!