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Acanthalomina

Trilobita - Odontopleurida - Odontopleuridae

Taxonomy
Acanthalomina was named by Prantl and Pribyl (1949).

It was synonymized subjectively with Leonaspis by Whittington (1956); it was reranked as Leonaspis (Acanthalomina) by Churkin (1961); it was reranked as Diacanthaspis (Acanthalomina) by Ramsköld and Chatterton (1991) and Ramsköld and Chatterton (1991).

It was assigned to Leonaspis by Churkin (1961); to Diacanthaspis by Ramsköld and Chatterton (1991) and Ramsköld and Chatterton (1991); and to Odontopleuridae by Jell and Adrain (2002) and Kiessling (2003).

Species
Leonaspis (Acanthalomina) minuta
Species lacking formal opinion data
Diacanthaspis thorsteinssoni

Synonymy list
YearName and author
1949Acanthalomina Prantl and Pribyl
1961Leonaspis (Acanthalomina) Churkin, Jr. p. 171
1991Diacanthaspis (Acanthalomina) Ramsköld and Chatterton p. 356
2002Acanthalomina Jell and Adrain p. 336
2003Acanthalomina Kiessling

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderOdontopleuridaWhittington 1959
familyOdontopleuridaeBurmeister 1843
genusAcanthalominaPrantl and Pribyl 1949

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. †Acanthalomina Prantl and Pribyl 1949
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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
Vision: well-developedf
Created: 2009-06-11 18:09:49
Modified: 2012-08-27 07:16:17
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: base of the Wenlock to the top of the Ludfordian or 433.40000 to 423.00000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Wenlock433.4 - 427.4Canada (Northwest Territories) A. arctica (696 697) Diacanthaspis thorsteinssoni (26062 26063)
Wenlock - Ludlow433.4 - 423.0Canada (Northwest Territories) Diacanthaspis thorsteinssoni (26049 26051)
Wenlock - Pridoli433.4 - 419.2USA (California) Leonaspis minuta (214346)
Gorstian427.4 - 425.6Czech Republic (Prague) A. minuta (76480)
Ludlow427.4 - 423.0USA (California) Leonaspis minuta (229581)
Ludlow427.4 - 423.0Canada (Northwest Territories) A. arctica (692 693 698)
Ludfordian425.6 - 423.0Czech Republic A. minuta (14109)