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Heliomeroides ✝
Description | Heliomeroides is a trilobite in the order Phacopida (family Cheiruridae), that existed during the upper Ordovician in what is now the United States. It was described by Evitt in 1951, and the type species is Heliomeroides teres. The type locality was the Lincolnshire Formation in Virginia. From Wikipedia article at https://en.wikipedia.org/wiki/Heliomeroides, 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 : Phacopida : Cheiruridae : Heliomeroides | ||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Heliomeroides Evitt, 1951 | ||||||||||||||||||||||||||||||||||||||||||||||||
Name Published In | J. Paleont., 25 | ||||||||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 7 | ||||||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 479 - 468 Ma Ordovician | ||||||||||||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 450 - 444 Ma Paleozoic | ||||||||||||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Motility | fast-moving (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Vision | well-developed | ||||||||||||||||||||||||||||||||||||||||||||||||
Diet | carnivore (based on Cheiruridae) | ||||||||||||||||||||||||||||||||||||||||||||||||
Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Taphonomy | low Mg calcite, chitin (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | W. R. Evitt. 1951. Some Middle Ordovician trilobites of the families Cheiruridae, Harpidae, and Lichidae. Journal of Paleontology 25(5):587-616 | ||||||||||||||||||||||||||||||||||||||||||||||||
Wikipedia | https://en.wikipedia.org/wiki/Heliomeroides |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Heliomeroides alacer ✝ species | accepted (GBIF) listed (PBDB) | ||||
Heliomeroides evitti ✝ species | accepted (GBIF) listed (PBDB) | 3 | 461 Ma Middle Ordovician | 458 Ma Middle Ordovician | |
Heliomeroides freschaufae ✝ species | accepted (GBIF) listed (PBDB) | 3 | 468 Ma Middle Ordovician | 468 Ma Middle Ordovician | |
Heliomeroides raymondi ✝ species | accepted (GBIF) listed (PBDB) | 1 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Heliomeroides teres ✝ species | accepted (GBIF) listed (PBDB) | 14 | 479 Ma Early/Lower Ordovician | 461 Ma Middle Ordovician | |
Heliomeroides treta ✝ species | accepted (GBIF) listed (PBDB) |
Synonymy List
Year | Name and Author |
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1951 | Heliomeroides Evitt p. 593 |
1999 | Heliomeroides Edgecombe et al. |
2002 | Heliomeroides Jell and Adrain p. 383 |
2002 | Heliomeroides 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!