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Piochella peasleensis

Trilobita - Ptychopariida - Ptychopariidae

Taxonomy
Piochella peasleensis was named by Sundberg and McCollum (2003). Its type specimen is USNM 510105, a cephalon/head (complete cranidium), and it is a 3D body fossil. It is the type species of Piochella.

Synonymy list
YearName and author
2003Piochella peasleensis Sundberg and McCollum p. 353 figs. Figure 17.10-17.15

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPtychopariidaeMatthew 1887
genusPiochella
speciespeasleensis

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.

Piochella peasleensis Sundberg and McCollum 2003
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Diagnosis
ReferenceDiagnosis
F. A. Sundberg and L.B. McCollum 2003Same as for genus. [Cranidium pentagonal in outline with moderately low relief; anterior branches of facial suture parallel to mod~rately convergent; posterior branch slightly divergent, nearly parallel; glabella moderately to strongly tapered, frontal lobe bluntly rounded, straight or slightly convex glabellar outline, lateral gla- bellar furrows and axial furrows nearly effaced; anterior border narrow, upturned; border furrow wide; palpebral lobes moderately long, posteriorly placed; fixigena slightly convex, level; anterior area moderately downsloping, posterior area extending slightly past palpebral lobes. Exoskeleton smooth.]
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-11 20:00:46
Modified: 2009-12-19 06:30:51
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: St Davids or 509.00000 to 497.00000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
St Davids509.0 - 497.0USA (Nevada) Piochella peasleensis (50098 50099 50103 50297 50298 50299 50300 50333 50334)