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Periomma cilles

Trilobita - Antagmidae

Taxonomy
Ptychoparia cilles was named by Walcott (1917). It is a 3D body fossil. Its type locality is Walcott Loc. 63d. Ptarmigan Peak, which is in a Delamaran carbonate limestone in the Ptarmigan Formation of Canada.

It was recombined as Periomma cilles by Resser (1937), Lochman (1947).

Synonymy list
YearName and author
1917Ptychoparia cilles Walcott p. 32 figs. Plate 6, fig. 2
1937Periomma cilles Resser p. 22
1947Periomma cilles Lochman p. 67

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyAntagmidaeHupé 1953
genusPeriommaResser 1936
speciescilles()

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.

†Periomma cilles Walcott 1917
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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: carnivorec
Vision: well-developedf
Created: 2009-12-19 03:48:04
Modified: 2009-12-19 05:48:04
Source: f = family, c = class
References: Aberhan et al. 2004, Whittington et al. 1997

Age range: Delamaran or 511.20000 to 506.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Delamaran511.2 - 506.5Canada (Alberta) Ptychoparia cilles (type locality: 225274)