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Iddingsia

Trilobita - Olenida - Dokimokephalidae

Taxonomy
Iddingsia was named by Walcott (1924) [Sepkoski's age data: Cm Dres-u Cm Fran-l Sepkoski's reference number: 379]. Its type is Ptychoparia similis.

It was assigned to Ptychopariida by Sepkoski (2002); and to Dokimocephalidae by Jell and Adrain (2002).

Synonymy list
YearName and author
1924Iddingsia Walcott
2002Iddingsia Jell and Adrain p. 387
2002Iddingsia Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderOlenida
familyDokimokephalidae(Kobayashi 1935)
genusIddingsia

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. †Iddingsia Walcott 1924
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†Iddingsia anatina Resser 1942
†Iddingsia hapsis Hohensee and Stitt 1989
†Iddingsia missouriensis Resser 1942
†Iddingsia relativa Palmer 1968
†Iddingsia robusta Walcott 1884
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Invalid names: Iddingsia nevadensis Resser 1942 [synonym]
†Iddingsia similis Walcott 1884
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: carnivorec
Vision: well-developedf
Created: 2009-12-19 03:59:19
Modified: 2009-12-19 05:59:19
Source: f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Steptoean to the top of the Sunwaptan or 497.00000 to 487.50000 Ma

Collections (26 total)


Time interval Ma Country or state Original ID and collection number
Steptoean497.0 - 493.5USA (Pennsylvania) I. anatina (156634)
Steptoean497.0 - 493.5USA (Nevada) I. robusta (111329 114607) I. similis (113395 113396 114305 114605)
Steptoean497.0 - 493.5Canada (Alberta) I. anatina (54078)
Dresbachian497.0 - 485.4USA (Alaska) I. relativa (64799 64800) I. sp. (225279)
Franconian497.0 - 485.4USA (Missouri) I. missouriensis (9192 9194 9208) I. sp. (9136)
Furongian497.0 - 485.4USA (Utah) I. sp. (156359 156428 156429 156430 156446)
Furongian497.0 - 485.4USA (Texas) I. nevadensis (156265)
Furongian497.0 - 485.4USA (Arkansas) I. hapsis (229194 229196 229198)
Sunwaptan493.5 - 487.5Canada (Alberta) I. anatina (54077)
Dolgellian492.5 - 485.4USA (Pennsylvania) I. anatina (62081)