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Harpetida β
| Description | Harpetida is one of the nine orders of the extinct arthropod class Trilobita. The first harpetid trilobites appear in the Upper Cambrian, and the last species die out at the end of the Devonian period. From Wikipedia article at https://en.wikipedia.org/wiki/Harpetida, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | |||||||||||||||||||||||||||||||||||||||
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| Source Data |
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| Rank | order | |||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF,PBDB) | Life : Animalia : Arthropoda : Trilobita : Harpetida | |||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Harpetida | |||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 1 | |||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||
| Motility | fast-moving (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||
| Ontogeny | molting,addition of parts (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||
| Taphonomy | low Mg calcite, chitin (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | M. C. Ebach and K. J. McNamara. 2002. A systematic revision of the family Harpetidae (Trilobita). Records of the Western Australian Museum 21:135-167 | |||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Harpetida |
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Bathynotidae β family | accepted (GBIF) listed (PBDB) | 5 | 516 Ma Cambrian | 513 Ma Cambrian | |
| Entomaspididae family | accepted (GBIF) | No associated record in PBDB | |||
| Harpetidae β family | accepted (GBIF) listed (PBDB) | 399 | 501 Ma Cambrian | 380 Ma Late/Upper Devonian | |
| Harpididae β family | accepted (GBIF) listed (PBDB) | 53 | 501 Ma Cambrian | 445 Ma Late/Upper Ordovician | |
Synonymy List
| Year | Name and Author |
|---|---|
| 1959 | Harpetida Whittington |
| 2002 | Harpetida Ebach and McNamara |
| 2009 | Harpetida McNamara et al. p. 14 |
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!
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