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Ptychoparia pylas

Trilobita - Ptychopariida - Ptychopariidae

Taxonomy
Ptychoparia pylas was named by Walcott (1917). Its type specimen is USNM 63740, 63741 and is a 3D body fossil.

It was recombined as Elrathia pylas by Resser (1935).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1917Ptychoparia pylas Walcott p. 33 figs. pl. 6, figs. 4, 4a
1935Elrathia pylas Resser p. 27

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPtychopariidaeMatthew 1887
subfamilyPtychopariinaeMatthew 1887
genusPtychopariaCorda 1847
speciespylasWalcott 1917

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.

Ptychoparia pylas Walcott 1917
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Spines: minorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-10 08:29:52
Modified: 2009-06-10 10:29:52
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009
Collections
No collection or age range data are available