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Euagnostus

Agnostida - Doryagnostidae

Taxonomy
Euagnostus was named by Whitehouse (1936) [Sepkoski's age data: Cm mMid-u Cm uMid-m Sepkoski's reference number: 16,1066]. It is not extant.

It was assigned to Agnostida by Sepkoski (2002); and to Doryagnostidae by Naimark and Pegel (2017).

Species
E. opimus
Species lacking formal opinion data
E. certus

Synonymy list
YearName and author
1936Euagnostus Whitehouse
2002Euagnostus Sepkoski
2017Euagnostus Naimark and Pegel p. 1207

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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
familyDoryagnostidae()
genusEuagnostusWhitehouse 1936

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. †Euagnostus Whitehouse 1936
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†Euagnostus opimus Whitehouse 1936
Diagnosis
ReferenceDiagnosis
E. B. Naimark and T. V. Pegel 2017Cephalon semiovate to subquadrate, with narrow border structures; glabella bipartite, with rounded anteroglabella partly or almost fully effaced; basal lobes small to moderate. Pygidium subquadrate, with narrow or moderate border structures, minutely bispinose; axis conical or with parallel sides, posteroaxis not expanded; F1, F2 as very short lateral grooves, posteroaxis not reaching border furrow; postaxial furrow usually present, but may be effaced in large holaspids.
Measurements
No measurements are available
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Created: 2004-02-29 09:55:43
Modified: 2018-11-10 16:55:31
Source: o = order
Reference: Kiessling 2004

Age range: base of the Floran to the top of the Undillan or 504.50000 to 500.50000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Floran504.5 - 503.0Australia (Northern Territory) E. interstrictus (225075)
Floran504.5 - 503.0Australia (Queensland) E. certus (225175) E. opimus (225224) Peronopsis opimus (225072)
Floran - Undillan504.5 - 500.5Australia (Queensland) E. certus (225217)
Mayan504.5 - 499.5Russian Federation (Sakha) E. opimus (225071)
Undillan503.0 - 500.5Australia (Queensland) E. neptis (225216) E. opimus (225228 225229) E. sp. (225220)