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Proampyx acuminatus

Trilobita - Redlichiida - Agraulidae

Taxonomy
Proetus difformis acuminatus was named by Angelin (1851) [ Proetus? difformis var. acuminatus ]. Its type specimen is NRM Ar42830, a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Anomocare acuminatum by Angelin (1854); it was recombined as Agraulos acuminatus by Westergård (1953); it was recombined as Proampyx acuminatus by Weidner et al. (2023).

Sister species lacking formal opinion data
P. agra, P. rotundatus

Synonymy list
YearName and author
1851Proetus difformis acuminatus Angelin p. 22 figs. pl. 18, fig. 7
1854Anomocare acuminatum Angelin p. 26 figs. pl. 18, fig. 7
1953Agraulos acuminatus Westergård p. 6 figs. pl. 1, figs 11–15
2023Proampyx acuminatus Weidner et al. pp. 93 - 94 fig. 46F–H

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderRedlichiinaRichter 1932
superfamilyEllipsocephaloideaLin 1990
familyAgraulidaeRaymond 1913
genusProampyxFrech 1897
speciesacuminatus(Angelin 1851)

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.

†Proampyx acuminatus Angelin 1851
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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-movingo
Life habit: low-level epifaunalo
Diet: deposit feedero
Vision: well-developedf
Created: 2010-01-07 05:21:47
Modified: 2010-01-07 07:21:47
Source: f = family, o = order, c = class
References: Hendy et al. 2009, Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Drumian to the top of the Mayan or 504.50000 to 499.50000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Drumian504.5 - 500.5Norway Agraulos acuminatus (155476)
Mayan504.5 - 499.5Russian Federation (Krasnoyar) Agraulos acuminatus (131427)
Marjumian504.5 - 497.0USA (Alaska) Proampyx acuminatus (10508)
Guzhangian500.5 - 497.0Sweden (Jämtland) Proampyx acuminatus (239967 240068)