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Kayseraspis

Trilobita - Asaphida - Asaphidae

Taxonomy
Kayseraspis was named by Harrington (1938) [Sepkoski's age data: O Trem-u O Aren-l Sepkoski's reference number: 565]. It is not extant.

It was reranked as Megalaspidella (Kayseraspis) by Harrington et al. (1959).

It was assigned to Ogygiinae by Harrington and Leanza (1957); to Megalaspidella by Harrington et al. (1959); to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).

Synonymy list
YearName and author
1938Kayseraspis Harrington
1957Kayseraspis Harrington and Leanza
1959Megalaspidella (Kayseraspis) Harrington et al. p. 347
2002Kayseraspis Jell and Adrain p. 392
2002Kayseraspis Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
genusKayseraspisHarrington 1938

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. †Kayseraspis Harrington 1938
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Subg. †Kayseraspis (Plesiomegalaspis) Thoral 1946
†Kayseraspis asaphelloides Harrington 1938
†Kayseraspis brackebuschi Harrington 1938
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-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Comments: BODY SIZE: Data from Harrington et al. (1959).g
Created: 2009-06-09 09:45:50
Modified: 2009-06-09 11:47:31
Source: g = genus, f = family, o = order, c = class
References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009

Age range: base of the Tulean to the top of the Bendigonian or 480.80000 to 473.10000 Ma

Collections (27 total)


Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7Argentina (Salta) K. asaphelloides, K. brackebuschi (115716)
Tremadoc486.5 - 477.7Argentina (Jujuy) K. asaphelloides (8882)
Tremadoc486.5 - 477.7Argentina K. sp. (9011)
Tremadoc486.5 - 477.7China (Heibei Provence) K. spicula (157258 157261 157265)
Tremadoc486.5 - 477.7China (Jilin Provence) K. sp. (157253) K. spicula (157250)
Warendian485.4 - 478.6Australia (Northern Territory) K. sp. (77417)
Tulean480.8 - 474.9USA (Montana) K. sp. (287)
Arenigian478.6 - 468.1Argentina (Salta) K. asaphelloides (115737 115842) K. asaphelloides, K. brackebuschi (115725) K. brackebuschi (115739 115741 115847 115856 115868) K. sp. (115736 115821 115869 115871)
Arenig478.6 - 466.0Bolivia K. sp. (8844)
Arenig478.6 - 466.0Argentina K. sp. (8777 9009)
Bendigonian474.9 - 473.1Australia (Western Australia) K. brackebuschi (157151 157156)