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Holotrachelus

Trilobita - Phacopida - Cheiruridae

Taxonomy
Holotrachelus was named by Holm (1898).

It was assigned to Holotrachelidae by Warburg (1925), Owen (1981) and Jell and Adrain (2002); to Proetida by Sepkoski (2002); and to Cheiruridae by Lamsdell and Selden (2015).

Species
H. punctillosus

Synonymy list
YearName and author
1898Holotrachelus Holm
1925Holotrachelus Warburg
1981Holotrachelus Owen
2002Holotrachelus Jell and Adrain p. 385
2002Holotrachelus Sepkoski
2015Holotrachelus Lamsdell and Selden p. 382

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
genusHolotrachelusHolm 1898

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. †Holotrachelus Holm 1898
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†Holotrachelus punctillosus Törnquist 1884
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Created: 2009-06-11 14:43:11
Modified: 2012-08-27 07:38:08
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: base of the Oandu to the top of the Richmondian or 453.00000 to 445.50000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Oandu - Keila453.0 - 453.0Sweden (Dalarne) H. punctillosus (161866)
Katian453.0 - 445.2Sweden (Dalarna) H. punctillosus (89486 124939 155421)
Katian - Hirnantian453.0 - 443.4Sweden (Dalarne) H. punctillosus (73413)
Edenian - Richmondian451.0 - 445.5Canada (Quebec) H. inexpectans (37798)
Pirgu449.5 - 445.2Sweden H. punctillosus (161783)
Pusgillian - Rawtheyan449.5 - 445.2Norway (Ringerike) H. punctillosus (163026)
Pirgu - Porkuni449.5 - 443.7Sweden (Dalarne) H. punctillosus (73462)
Pirgu - Hirnantian449.5 - 443.4Sweden (Dalarne) H. punctillosus (73408)
Pirgu - Hirnantian449.5 - 443.4Sweden (Dalarna) H. punctillosus (158137)
Cautleyan - Hirnantian449.2 - 443.4Ireland H. punctillosus (161780)
Rawtheyan448.8 - 445.2United Kingdom (England) H. punctillosus (161737)
Rawtheyan448.8 - 445.2Norway (Ringerike) H. punctillosus (163348)
Rawtheyan - Hirnantian448.8 - 443.4Norway H. punctillosus (163364)