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Ivshinaspis

Trilobita - Asaphida - Remopleurididae

Taxonomy
Ivshinaspis was named by Petrunina (1973) [Sepkoski's age data: Cm Trep]. It is not extant. Its type is Ivshinaspis crispa.

It was assigned to Richardsonellidae by Bao and Jago (2000); to Remopleurididae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).

Synonymy list
YearName and author
1973Ivshinaspis Petrunina
2000Ivshinaspis Bao and Jago pp. 906, 908
2002Ivshinaspis Jell and Adrain p. 389
2002Ivshinaspis Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyRemopleurididaeHawle and Corda 1847
genusIvshinaspisPetrunina 1973

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.

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: actively mobilef
Life habit: nektobenthicf
Diet: deposit feedero
Vision: well-developedf
Created: 2009-04-13 10:12:30
Modified: 2009-12-14 07:33:04
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Payntonian to the top of the Batyrbaian or 494.00000 to 485.40000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Batyrbaian498.5 - 485.4Kazakhstan I. crispa (118905 118906 118907 118908 118909 118910)
Niuchehean498.5 - 485.4China (Hunan) I. formosa (130104) I. quadrata, I. crispa (107329)
Payntonian - Datsonian494.0 - 485.0Australia (Tasmania) I. reticulata (62281)