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Dimeropygiella caudanodosa

Trilobita - Proetida - Dimeropygidae

Taxonomy
Dimeropygiella caudanodosa was named by Ross (1951) [Paratypes: YPM 18218-20]. Its type specimen is YPM 18127, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Locality 13, Round Hill, Zone "J", which is in a Blackhillsian shallow subtidal limestone/chert in the Garden City Formation of Utah.

It was recombined as Ischyrotoma caudanodosa by Whittington (1963).

Synonymy list
YearName and author
1951Dimeropygiella caudanodosa Ross p. 124 figs. Pl. 35, figs. 18, 23, 28
1963Ischyrotoma caudanodosa Whittington p. 47
2001Dimeropygiella caudanodosa Adrain et al. p. 964

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyDimeropygidaeHupe 1953
genusDimeropygiella
speciescaudanodosa

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.

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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 feedero
Vision: well-developedf
Created: 2010-02-06 03:21:36
Modified: 2010-02-06 05:21:36
Source: f = family, o = order, c = class
References: Alvarez et al. 2008, Fortey and Owens 1999, Aberhan et al. 2004

Age range: base of the Tremadoc to the top of the Whiterockian or 486.50000 to 457.30000 Ma

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7Canada (Alberta) Ischyrotoma caudanodosa (10902)
Blackhillsian474.9 - 470.0USA (California) Ischyrotoma caudanodosa (104636)
Blackhillsian474.9 - 470.0USA (Nevada) Ischyrotoma caudanodosa (104556)
Blackhillsian474.9 - 470.0Canada (Alberta) Ischyrotoma caudanodosa (10899)
Blackhillsian474.9 - 470.0USA (Utah) Dimeropygiella caudanodosa (63840 63846 63848 63926 63928 63931 103831 type locality: 103917)
Whiterockian470.0 - 457.3USA (Utah) Dimeropygiella caudanodosa (106372 106373 106374 106375)