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Tetragramma ✝
| Description | Tetragramma is a genus of fossil sea urchins known from the Upper Jurassic (Oxfordian) to the Upper Cretaceous (Turonian). From Wikipedia article at https://en.wikipedia.org/wiki/Tetragramma, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Source Data |
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| Rank | genus | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF) | Life : Animalia : Echinodermata : Echinoidea : Phymosomatoida : Diplopodiidae : Tetragramma | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Echinodermata : Echinoidea : Pseudodiadematidae : Tetragramma | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Tetragramma Agassiz, 1838 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Name Published In | N. D. Allg. Schweiz. Gesellsch., 4 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 3 | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 157 - 152 Ma Jurassic | ||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 93.5 - 89.3 Ma Late/Upper Cretaceous | ||||||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Echinodermata) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Echinoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Vision | limited (based on Echinoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Diet | grazer, deposit feeder (based on Echinoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Reproduction | dispersal=water,planktonic (based on Echinodermata) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Ontogeny | accretion,addition of parts (based on Echinodermata) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | high Mg calcite (based on Echinoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Tetragramma |
External Images
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Tetragramma antsingyensis species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma argonnensis species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma baylei species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma besairiei species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma bosei species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma cornueli species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma deshayesi ✝ species | listed (PBDB) | 8 | 105 Ma Early/Lower Cretaceous | 99.6 Ma Late/Upper Cretaceous | |
| Tetragramma giganteum species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma gloriae species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma hourcqi species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma pomeraniae species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma tafermense species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma tenerum species | accepted (GBIF) | No associated record in PBDB | |||
| Tetragramma variolare ✝ species | accepted (GBIF) listed (PBDB) | 48 | 129 Ma Early/Lower Cretaceous | 93.5 Ma Late/Upper Cretaceous | |
Obsolete Names
| Name | Source | Taxon Rank | Taxonomy |
|---|---|---|---|
| Acanthechinopsis Gregory, 1906 | GBIF | genus | Animalia : Echinodermata : Echinoidea : Phymosomatoida : Diplopodiidae : Acanthechinopsis |
Synonymy List
| Year | Name and Author |
|---|---|
| 1840 | Tetragramma Agassiz |
| 1966 | Tetragramma Fell and Pawson p. U390 |
| 1991 | Tetragramma Smith p. 22 |
| 2002 | Tetragramma Sepkoski, Jr. |
| 2003 | Tetragramma Berndt p. 80 |
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!
