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Eupachydiscus ✝
Description | Eupachydisus is a large, coarse-ribbed Pachydiscid ammonite genus from the Upper Cretaceous, found in Coniacian to Campanian age strata in Europe, Madagascar, Japan, and British Columbia. From Wikipedia article at https://en.wikipedia.org/wiki/Eupachydiscus, 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 : Cephalopoda : Ammonoidea : Pachydiscidae : Eupachydiscus | |||||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Ammonitida : Pachydiscidae : Eupachydiscus | |||||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Eupachydiscus Spath, 1922 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Name Published In | Trans. Roy. Soc. S. Africa, 10 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 9 | |||||||||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 89.8 - 86.3 Ma Late/Upper Cretaceous | |||||||||||||||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 72.1 - 66.0 Ma Late/Upper Cretaceous | |||||||||||||||||||||||||||||||||||||||||||||||||||
Motility | fast-moving (based on Ammonoidea) | |||||||||||||||||||||||||||||||||||||||||||||||||||
Vision | well-developed (based on Cephalopoda) | |||||||||||||||||||||||||||||||||||||||||||||||||||
Diet | carnivore (based on Ammonoidea) | |||||||||||||||||||||||||||||||||||||||||||||||||||
Taphonomy | aragonite (based on Ammonoidea) | |||||||||||||||||||||||||||||||||||||||||||||||||||
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/Eupachydiscus |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Eupachydiscus arbucklensis ✝ species | accepted (GBIF) listed (PBDB) | 2 | 89.8 Ma Late/Upper Cretaceous | 89.8 Ma Late/Upper Cretaceous | |
Eupachydiscus depressus ✝ species | accepted (GBIF) listed (PBDB) | ||||
Eupachydiscus gordoni species | accepted (GBIF) | No associated record in PBDB | |||
Eupachydiscus grossouvrei ✝ species | accepted (GBIF) listed (PBDB) | 3 | 83.5 Ma Late/Upper Cretaceous | 72.1 Ma Late/Upper Cretaceous | |
Eupachydiscus isculensis ✝ species | accepted (GBIF) listed (PBDB) | 16 | 89.3 Ma Late/Upper Cretaceous | 83.5 Ma Late/Upper Cretaceous | |
Eupachydiscus levyi species | accepted (GBIF) | No associated record in PBDB | |||
Eupachydiscus macoveii ✝ species | accepted (GBIF) listed (PBDB) | 2 | 89.3 Ma Late/Upper Cretaceous | 86.3 Ma Late/Upper Cretaceous | |
Eupachydiscus pseudogrossouvrei ✝ species | accepted (GBIF) listed (PBDB) | 1 | 83.5 Ma Late/Upper Cretaceous | 83.5 Ma Late/Upper Cretaceous | |
Eupachydiscus sayni ✝ species | accepted (GBIF) listed (PBDB) | 2 | 86.3 Ma Late/Upper Cretaceous | 85.8 Ma Late/Upper Cretaceous | |
Eupachydiscus willgreeni ✝ species | accepted (GBIF) listed (PBDB) | 1 | 89.8 Ma Late/Upper Cretaceous | 89.8 Ma Late/Upper Cretaceous |
Synonymy List
Year | Name and Author |
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1922 | Eupachydiscus Spath |
1926 | Mesopachydiscus Yabe and Shimizu p. 172 |
1970 | Eupachydiscus Henderson p. 60 |
1973 | Eupachydiscus Kennedy et al. p. 101 |
1979 | Eupachydiscus Summesberger p. 136 |
1988 | Eupachydiscus Thomel p. 38 |
Year | Name and Author |
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1992 | Eupachydiscus Cobban and Kennedy p. 70 |
1992 | Eupachydiscus Kennedy et al. p. 270 |
1995 | Eupachydiscus Kennedy p. 404 |
2000 | Eupachydiscus Arkadiev et al. p. 110 |
2002 | Eupachydiscus Sepkoski, Jr. |
2007 | Eupachydiscus Kennedy et al. p. 517 |
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!