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Nyella plana

Artiopoda - Ptychopariida - Ptychopariidae

Taxonomy
Nyella plana was named by Sundberg and McCollum (2003). Its type specimen is USNM 510013, a cephalon/head (nearly complete cranidium), and it is a 3D body fossil.

Synonymy list
YearName and author
2003Nyella plana Sundberg and McCollum p. 349 figs. Figure 15.1-15.13

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPtychopariidaeMatthew 1887
genusNyella
speciesplana

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.

Nyella plana Sundberg and McCollum 2003
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Diagnosis
ReferenceDiagnosis
F. A. Sundberg and L.B. McCollum 2003ranidium with anterior border moderately wide (width 63 ::!::4 percent cranidial width), moderately long, mod- erate curved, not arched dorsally, and moderately convex; ocular ridges slightly posterolaterally directed; fixigena moderately wide (width 66 ::!::6 percent glabellar width); palpebral lobes moder- ately long (length 40 ::!::3 percent glabellar length). Pygidium wide (length 29 ::!::3 percent width).
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 506.50000 to 497.00000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
St Davids506.5 - 497.0USA (Nevada) Nyella plana (50094 50095 50096 50107 50108 50113 50114 50292 50293 50294 50328 50330 50331 50338)