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Ptychoparia
Taxonomy
Ptychoparia was named by Corda (1847) [Sepkoski's age data: Cm lMid Cm uMid Sepkoski's reference number: 464,472]. Its type is Conocephalites striatus. It is the type genus of Ptychopariinae.
It was reranked as Conocoryphe (Ptychoparia) by Meek (1873).
It was assigned to Conocoryphe by Meek (1873); to Ptychopariida by Sepkoski (2002); to Ptychopariidae by Jell and Adrain (2002); and to Ptychopariinae by Henningsmoen (1952) and Kordule (2006).
It was reranked as Conocoryphe (Ptychoparia) by Meek (1873).
It was assigned to Conocoryphe by Meek (1873); to Ptychopariida by Sepkoski (2002); to Ptychopariidae by Jell and Adrain (2002); and to Ptychopariinae by Henningsmoen (1952) and Kordule (2006).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Ptychoparia Corda |
| 1873 | Conocoryphe (Ptychoparia) Meek |
| 1940 | Agraulopsis Ruzicka |
| 1952 | Ptychoparia Henningsmoen |
| 2002 | Ptychoparia Jell and Adrain p. 478 |
| 2002 | Agraulopsis Sepkoski |
| 2002 | Ptychoparia Sepkoski |
| 2006 | Ptychoparia Kordule p. 278 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Ptychoparia Corda 1847
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†Ptychoparia anderseni Henningsmoen 1952
†Ptychoparia annectans Walcott 1884
†Ptychoparia annio Cobbold 1910
†Ptychoparia anytus Hall and Whitfield 1877
†Ptychoparia candace Walcott 1917
†Ptychoparia candace Walcott 1917
†Ptychoparia dubinka Kordule 2006
†Ptychoparia haguei Hall and Whitfield 1877
†Ptychoparia logani Devine 1863
†Ptychoparia nitidus Hall and Whitfield 1877
†Ptychoparia pernasutus Walcott 1884
†Ptychoparia pylas Walcott 1917
†Ptychoparia striata Whitfield 1878
†Ptychoparia striatus Emmrich 1839
†Ptychoparia tuberosa Feniak 1952
†Ptychoparia unisulcatus Hall and Whitfield 1877
Invalid names: Agraulopsis Ruzicka 1940 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| V. Kordule 2006 | Glabella tapering forward, with weakly rounded anterior; four pairs of glabellar furrows; cephalic border prominent, rather long (sag.); anterior border furrow deep; genal spine prominent, short, rapidly tapering, extending backward toward the third segment; genal caeca prominent on external surface of preglabellar field, preocular field of fixigenae and librigenal field of librigenae; pygidium with 5 to 6 axial rings and terminal piece; pleural lobes with distinct pleural and interpleural furrows; exoskeleton surface with finely tuberculate sculpture. |