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Onchocephalus thia

Trilobita - Antagmidae

Taxonomy
Ptychoparia thia was named by Walcott (1917). It is the type species of Onchocephalus.

It was recombined as Onchocephalus thia by Lochman (1947) and Sundberg (2004).

Sister species lacking formal opinion data
O. major, O. skapta, O. supramus

Synonymy list
YearName and author
1917Ptychoparia thia Walcott pp. 96 - 98 figs. Plate 12, fig. 6
1947Onchocephalus thia Lochman p. 63
2004Onchocephalus thia Sundberg pp. Appendix 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyAntagmidaeHupé 1953
genusOnchocephalusResser 1937
speciesthia()

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.

†Onchocephalus thia 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 (2 total)


Time interval Ma Country or state Original ID and collection number
Delamaran511.2 - 506.5Canada (British Columbia) Ptychoparia thia (50544 225278)