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Cyclopyge ✝
Description | Cyclopyge is a genus of small to average size trilobites that lived during the Ordovician. Like all members of the family Cyclopigidae, it has very large convex eyes, that cover most of the free cheeks, and in some species touch each other. The eyes almost touch the large glabella. The occipital ring has merged with the rest of the glabella. The glabella does not extend into a frontal thorn. The cephalon lacks genal spines. The 6 thorax segments have short pleurae. The pygidium is rather large, and often rather effaced. These are features that also occur in other Cyclopygidae, and are indications of a pelagic lifestyle. From Wikipedia article at https://en.wikipedia.org/wiki/Cyclopyge, 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,PBDB) | Life : Animalia : Arthropoda : Trilobita : Asaphida : Cyclopygidae : Cyclopyge | ||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Cyclopyge Hawle & Corda, 1847 | ||||||||||||||||||||||||||||||||||||||||||||||||
Name Published In | Prod. Mon. Böhm. Trilob. | ||||||||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 2 | ||||||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 485 - 478 Ma Paleozoic | ||||||||||||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 450 - 444 Ma Paleozoic | ||||||||||||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Motility | actively mobile (based on Cyclopygidae) | ||||||||||||||||||||||||||||||||||||||||||||||||
Vision | well-developed (based on Cyclopygidae) | ||||||||||||||||||||||||||||||||||||||||||||||||
Diet | microcarnivore (based on Cyclopygidae) | ||||||||||||||||||||||||||||||||||||||||||||||||
Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Ecospace Comments | BODY SIZE: Data from Harrington et al. (1959). | ||||||||||||||||||||||||||||||||||||||||||||||||
Taphonomy | low Mg calcite, chitin (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
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/Cyclopyge |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Cyclopyge angustata species | accepted (GBIF) | No associated record in PBDB | |||
Cyclopyge bumasti species | accepted (GBIF) | No associated record in PBDB | |||
Cyclopyge insolens species | accepted (GBIF) | No associated record in PBDB | |||
Cyclopyge kindlei species | accepted (GBIF) | No associated record in PBDB | |||
Cyclopyge marginata species | accepted (GBIF) | No associated record in PBDB | |||
Cyclopyge recurva ✝ species | accepted (GBIF) listed (PBDB) | 9 | 458 Ma Middle Ordovician | 453 Ma Late/Upper Ordovician |
Synonymy List
Year | Name and Author |
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1847 | Cyclopyge Hawle and Corda |
1850 | Aeglina Barrande |
2002 | Cyclopyge Jell and Adrain p. 362 |
2002 | Cyclopyge 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!