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Homagnostus comptus

Agnostida - Agnostidae

Taxonomy
Homagnostus comptus was named by Palmer (1962). Its type specimen is USNM 143126, a cephalon/head, and it is a 3D body fossil. Its type locality is Steptoean Stage, Duck Creek, Nevada - Palmer 1999, which is in the Steptoean/Dolgellian of shale/limestone the Dunderberg Formation Nevada.

It was recombined as Agnostus comptus by Rozova (1964).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1962Homagnostus comptus Palmer pp. F-12 figs. Pl. 1, fig. 12
1964Agnostus comptus Rozova

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyAgnostidaeM'Coy 1849
genusHomagnostusHowell 1935
speciescomptus

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.

Homagnostus comptus Palmer 1962
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Spines: noneg
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Vision: blindf
Created: 2009-02-25 10:33:58
Modified: 2009-02-25 12:33:58
Source: g = genus, f = family, o = order
References: Hendy 2009, Kiessling 2004

Age range: base of the Guzhangian to the top of the Nganasanian or 500.50000 to 498.50000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Nganasanian501.0 - 498.5Russian Federation (Krasnoyar) Agnostus comptus (131065)
Sakian501.0 - 485.4Kazakhstan Homagnostus comptus (118254 118255)
Steptoean - Dolgellian501.0 - 485.4USA (Nevada) Homagnostus comptus (type locality: 10506)
Guzhangian500.5 - 497.0China (Hunan) Homagnostus comptus (128933)