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Acastella rouaulti

Trilobita - Phacopida - Acastidae

Taxonomy
Dalmanites rouaulti was named by Tromelin and Lebesconte (1876). Its type specimen is IGR 589, an exoskeleton, and it is a 3D body fossil.

It was recombined as Cryphaeus rouaulti by Pichard (1928); it was recombined as Asteropyge rouaulti by Péneau (1928); it was recombined as Acaste rouaulti by Péneau (1935); it was recombined as Crozonaspis rouaulti by Henry (1968); it was recombined as Acastava roualti by Wrona (1980); it was misspelled as Acastella roualti by Berry and Boucot (1973); it was recombined as Acastella rouaulti by Pillet (1959) and Lemke (2020).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1876Dalmanites rouaulti Tromelin and Lebesconte
1928Cryphaeus rouaulti Pichard p. 110 figs. pl. VII, fig. 7-10
1928Asteropyge rouaulti Péneau p. 159 figs. pl. VI, fig. 2; pl. VIII, fig. 9
1935Acaste rouaulti Péneau p. 485 figs. pl. 24 f. 1-5
1959Acastella rouaulti Pillet pp. 939 - 942 figs. Pl. XLV, fig. 1 a 7 et 1 - 2.
1968Crozonaspis rouaulti Henry
1973Acastella roualti Berry and Boucot
1980Acastava roualti Wrona p. 108
2020Acastella rouaulti Lemke p. 419

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderPhacopinaStruve 1959
superfamilyAcastoidea
familyAcastidaeDelo 1935
genusAcastellaReed 1925
speciesrouaulti(Tromelin and Lebesconte 1876)

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.

Acastella rouaulti Tromelin and Lebesconte 1876
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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: carnivoresubo
Vision: well-developedf
Created: 2009-12-15 22:42:55
Modified: 2009-12-16 00:42:55
Source: f = family, subo = suborder, c = class
References: Fortey and Owens 1999, Aberhan et al. 2004, Whittington et al. 1997

Age range: base of the Late/Upper Lochkovian to the top of the Lochkovian or 414.00000 to 410.80000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Lochkovian419.2 - 410.8Morocco Acastella roualti (27386) Acastella rouaulti (13938)
Lochkovian419.2 - 410.8Poland Acastava roualti (145993) Acastella roualti (145998)
Late/Upper Lochkovian - Siegen414.0 - 409.1Spain Acastella rouaulti (40504)