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Trilobita - Ptychopariida

Kochina was named by Resser (1935) [Sepkoski's age data: Cm lMid Cm mMid-l Sepkoski's reference number: 80,379].

It was assigned to Ptychopariacea by Sundberg and McCollum (2000); to Ptychopariidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).

Species lacking formal opinion data

Synonymy list
YearName and author
1935Kochina Resser pp. 39 - 40
2000Kochina Sundberg and McCollum p. 626
2002Kochina Jell and Adrain p. 393
2002Kochina Sepkoski

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EubilateriaAx 1987
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPtychopariidaSwinnerton 1915
suborderPtychopariinaRichter 1933
superfamilyPtychopariaceaMatthew 1887

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.

G. †Kochina Resser 1935
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Kochina americana Walcott 1912
Kochina bosworthensis Resser 1935
Kochina macrops Rasetti 1951
No diagnoses are available
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Ribbing: noneg
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: deposit feedersubo
Created: 2009-02-26 11:51:26
Modified: 2009-02-26 13:51:26
Source: g = genus, subo = suborder, c = class
References: Hendy 2009, Aberhan et al. 2004, Fortey and Owens 1999

Age range: base of the St Davids to the top of the Merioneth or 509.00000 to 485.40000 Ma

Collections (14 total)

Time interval Ma Country or state Original ID and collection number
Delamaran511.2 - 506.5USA (Montana) Olenopsis americanus (225273)
Delamaran511.2 - 506.5USA (California) K. sp. (69516 205003)
Delamaran511.2 - 506.5Canada (Alberta) K. americana (225276) K. macrops (225275)
Delamaran511.2 - 506.5USA (Utah) K. vestita (10533)
Delamaran511.2 - 506.5USA (Nevada) K. sp. (205002)
St Davids509.0 - 497.0USA (Vermont) K. sp. indet. (78913)
Menevian504.5 - 499.5USA (Idaho) K. vestita, K. wasatchensis (50208)
Marjumian504.5 - 497.0Canada (Newfoundland) K. arctica (195765)
Marjumian504.5 - 497.0USA (Arizona) K. angustata (211)
Merioneth497.0 - 485.4Canada (British Columbia) K. sp. (199)
Merioneth497.0 - 485.4USA (Utah) K. sp. (206)
Merioneth497.0 - 485.4USA (Idaho) K. sp. (198)