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Macrogrammus ✝
Description | Macrogrammus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately 478 to 471 million years ago. From Wikipedia article at https://en.wikipedia.org/wiki/Macrogrammus, 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 : Pilekiidae : Macrogrammus | |||||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Macrogrammus Whittard, 1966 | |||||||||||||||||||||||||||||||||||||||||||||
Name Published In | The Ordovician trilobites of the Shelve Inlier, West Shropshire. Part 8. Palaeontogr. Soc. (Monogr.) 119 | |||||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 3 | |||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 479 - 466 Ma Ordovician | |||||||||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 464 - 458 Ma Ordovician | |||||||||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||||||||
Motility | fast-moving (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||||||||
Vision | well-developed (based on Pilekiidae) | |||||||||||||||||||||||||||||||||||||||||||||
Diet | carnivore (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||||||||
Ontogeny | molting,addition of parts (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||||||||
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/Macrogrammus |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Macrogrammus pengi ✝ species | accepted (GBIF) listed (PBDB) | 2 | 472 Ma Early/Lower Ordovician | 467 Ma Middle Ordovician | |
Macrogrammus rafi ✝ species | accepted (GBIF) listed (PBDB) | 4 | 464 Ma Middle Ordovician | 464 Ma Middle Ordovician |
Synonymy List
Year | Name and Author |
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1966 | Macrogrammus Whittard |
1999 | Macrogrammus Edgecombe et al. |
2002 | Macrogrammus Jell and Adrain p. 401 |
2002 | Macrogrammus 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!