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Tessarolax ✝
| Description | Tessarolax is an extinct genus of fossil sea snails, marine gastropod mollusks in the family Aporrhaidae. The fossil shells of these snails are found in Cretaceous to Paleocene deposits in Europe, North America, and Madagascar. From Wikipedia article at https://en.wikipedia.org/wiki/Tessarolax, 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 : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Tessarolax | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Gastropoda : Aporrhaidae : Tessarolax | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Tessarolax Gabb, 1864 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Name Published In | Geol. Surv. Calif., Pal., 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 7 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 129 - 125 Ma Early/Lower Cretaceous | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 59.2 - 56.0 Ma Paleocene | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | slow-moving (based on Aporrhaidae) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Vision | limited (based on Gastropoda) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Diet | detritivore (based on Aporrhaidae) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Gastropoda) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | W. M. Gabb. 1864. Description of the Cretaceous fossils. Geological Survey of California Palaeontology 1:57-217 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Tessarolax |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Aporrhais (Tessarolax) ebrayi ✝ species | listed (PBDB) | ||||
| Tessarolax alaskana species | accepted (GBIF) | No associated record in PBDB | |||
| Tessarolax bicarinata ✝ species | listed (PBDB) | 3 | 113 Ma Early/Lower Cretaceous | 105 Ma Early/Lower Cretaceous | |
| Tessarolax bullardi species | accepted (GBIF) | No associated record in PBDB | |||
| Tessarolax distorta ✝ species | accepted (GBIF) listed (PBDB) | 6 | 89.8 Ma Late/Upper Cretaceous | 72.1 Ma Late/Upper Cretaceous | |
| Tessarolax gabbi species | accepted (GBIF) | No associated record in PBDB | |||
| Tessarolax grahami species | accepted (GBIF) | No associated record in PBDB | |||
| Tessarolax hitzii species | accepted (GBIF) | No associated record in PBDB | |||
| Tessarolax incrustata ✝ species | accepted (GBIF) listed (PBDB) | 1 | 83.5 Ma Late/Upper Cretaceous | 83.5 Ma Late/Upper Cretaceous | |
| Tessarolax louellae species | accepted (GBIF) | No associated record in PBDB | |||
| Tessarolax retusa ✝ species | accepted (GBIF) listed (PBDB) | 3 | 112 Ma Early/Lower Cretaceous | 105 Ma Early/Lower Cretaceous | |
| Tessarolax teleos species | accepted (GBIF) | No associated record in PBDB | |||
| Tessarolax trinalis ✝ species | accepted (GBIF) listed (PBDB) | 9 | 99.6 Ma Late/Upper Cretaceous | 99.6 Ma Late/Upper Cretaceous | |
Obsolete Names
| Name | Source | Taxon Rank | Taxonomy |
|---|---|---|---|
| Protohemichenopus Camacho, 1953 | GBIF | genus | Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Protohemichenopus |
| Ornithopus J.S.Gardner, 1875 | GBIF | genus | Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Ornithopus |
Synonymy List
| Year | Name and Author |
|---|---|
| 1864 | Tessarolax Gabb p. 126 |
| 1912 | Aporrhais (Tessarolax) Wollemann |
| 2002 | Tessarolax Sepkoski, Jr. |
| 2009 | Tessarolax Kollmann p. 54 |
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!
