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Eokochaspis nodosa

Trilobita - Ptychopariida

Taxonomy
Eokochaspis nodosa was named by Sundberg and McCollum (2000). Its type specimen is USNM 497818, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Litho #1, Split Mountain East Section, which is in a Delamaran offshore shale/mudstone in the Emigrant Formation of Nevada. It is the type species of Eokochaspis.

Sister species lacking formal opinion data
E. granulosa

Synonymy list
YearName and author
2000Eokochaspis nodosa Sundberg and McCollum

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
suborderPtychopariinaRichter 1933
superfamilyPtychopariaceaMatthew 1887
genusEokochaspis
speciesnodosa

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.

†Eokochaspis nodosa Sundberg and McCollum 2000
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: deposit feedersubo
Created: 2012-08-27 22:20:36
Modified: 2012-08-27 07:20:36
Source: subo = suborder, c = class
References: Fortey and Owens 1999, Aberhan et al. 2004

Age range: base of the Solvan to the top of the Delamaran or 510.20000 to 506.50000 Ma

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Cambrian538.8 - 485.4Argentina (San Juan) Eokochaspis nodosa (200106)
Delamaran511.2 - 506.5USA (Nevada) Eokochaspis nodosa (type locality: 10587 69267 69268 69269 69270 69271 69272 69273 69274 69275 69276 69277)
Solvan510.2 - 504.5USA (Nevada) Eokochaspis nodosa (9215 9217 9243 9246 9252 9253 9257 9259 9421)
Solvan - St Davids510.2 - 497.0USA (Nevada) Eokochaspis nodosa (9239)