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Genevievella ✝
| Description | Genevievella is a genus of trilobites with a short inverted egg-shaped outline, a wide headshield, small eyes, and long genal spines. The backrim of the headshield is inflated and overhangs the first of the 9 thorax segments. The 8th thorax segment from the front bears a backward directed spine that reaches beyond the back end of the exoskeleton. It has an almost oval tailshield with 5 pairs of pleural furrows. It lived during the Upper Cambrian in what are today Canada and the United States. From Wikipedia article at https://en.wikipedia.org/wiki/Genevievella, 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 : Arthropoda : Trilobita : Ptychopariida : Llanoaspididae : Genevievella | ||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Arthropoda : Trilobita : Llanoaspididae : Genevievella | ||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Genevievella Lochman, 1936 | ||||||||||||||||||||||||||||||||||||||||||
| Name Published In | J. Paleont., 10 | ||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 1 | ||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 513 - 501 Ma Cambrian | ||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 497 - 485 Ma Cambrian | ||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Motility | fast-moving (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Vision | well-developed (based on Llanoaspididae) | ||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Ecospace Comments | BODY SIZE: Data from Harrington et al. (1959). | ||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | minor spines | ||||||||||||||||||||||||||||||||||||||||||
| 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/Genevievella |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Genevievella blandensis species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella buttsi species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella campbelli species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella campbellina species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella clinchensis species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella etelka species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella marionensis species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella modesta species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella neunia species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella oblonga species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella peculiaris species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella pennstatensis species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella pennsylvanica species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella plesochielus species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella rizantans species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella rogersvillensis species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella spinosa species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella tumida species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella ulrichi species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella virginica species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella walcotti species | accepted (GBIF) | No associated record in PBDB | |||
| Genevievella wallacensis species | accepted (GBIF) | No associated record in PBDB | |||
Synonymy List
| Year | Name and Author |
|---|---|
| 1936 | Genevievella Lochmann |
| 1967 | Placosema Opik |
| 2002 | Genevievella Jell and Adrain p. 378 |
| 2002 | Genevievella Sepkoski, Jr. |
| 2002 | Placosema 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!
