Ptychopariina
Topic: Biology
From HandWiki - Reading time: 1 min
Short description: Suborder of trilobites (fossil)
| Ptychopariina | |
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| Conocoryphe sulzeri | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | †Artiopoda |
| Class: | †Trilobita |
| Order: | †Ptychopariida |
| Suborder: | †Ptychopariina Swinnerton, 1915 |
| Suborders | |
Ptychopariina is an extinct suborder of trilobites of the order Ptychopariida.[1] Also known as the primitive Ptychopariida, they are a notably wide and varied taxon.[2] Some of the representative genera include Elrathia, Densonella, Norwoodia, Tricrepicephalus, Conocoryphe, and Modocia.[2]
Description
Specialization is common in the Ptychopariina, which has made it difficult for authors to develop a single type that can distinguish Ptychopariina from other clades. The thorax tends to be relatively long, with the pygidium generally smaller in size than the thorax.[2]
References
- ↑ Swinnerton HH, 1915. Suggestions for a Revised Classification of trilobites. Geological Magazine.
- ↑ 2.0 2.1 2.2 III, Samuel M. Gon. "Pictorial Guide to the Trilobite Order Ptychopariida". trilobites.info. https://www.trilobites.info/ptychopariidaguide.htm.
External links
Wikidata ☰ Q18001782 entry
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