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Morphology Ecology and taphonomy   Age range and collections

Ptychoparioides

Trilobita - Ptychopariida - Ptychopariidae

Taxonomy
Ptychoparioides was named by Růžička (1940) [Sepkoski's age data: Cm m].

It was corrected as Ptychoparoides by Sepkoski (2002).

It was assigned to Ptychopariida by Sepkoski (2002); and to Ptychopariinae by Kordule (2006).

Synonymy list
YearName and author
1940Ptychoparioides Růžička
2002Ptychoparoides Sepkoski, Jr.
2006Ptychoparioides Kordule pp. 290 - 291

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderPtychopariidaSwinnerton 1915
familyPtychopariidaeMatthew 1887
subfamilyPtychopariinaeMatthew 1887
genusPtychoparioides

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.

Diagnosis
ReferenceDiagnosis
V. Kordule 2006Glabella highly convex, bluntly conical, anteriorly rounded, extending nearly toward border furrow; axial furrows deep; occipital ring vaulted, with small median node; S1, S2 and S3 shallow; preglabellar field flat; anterior border short (sag.), high, convex, separated from glabella by deeply concave border furrow; ocular ridges prominent; palpebral lobes small; genal caeca obscure; genal spine short; thorax of 14 segments; pygidium transverse, with axis with three to five rings and large terminal piece; pleural furrows present, inter pleural furrows absent; surface of exoskeleton finely tuberculate.