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Kettneraspis angelini

Trilobita - Odontopleurida - Odontopleuridae

Taxonomy
Acanthaloma angelini was named by Prantl and Pribyl (1949).

It was recombined as Leonaspis angelini by Bruton (1967); it was recombined as Leonaspis crenata angelini by Ramsköld (1984); it was recombined as Kettneraspis angelini by Ramsköld and Chatterton (1991).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1949Acanthaloma angelini Prantl and Pribyl
1967Leonaspis angelini Bruton
1984Leonaspis crenata angelini Ramsköld
1991Kettneraspis angelini Ramsköld and Chatterton p. 364

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
Life
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderOdontopleuridaWhittington 1959
familyOdontopleuridaeBurmeister 1843
subfamilyOdontopleurinaeBurmeister 1843
genusKettneraspisPrantl and Pribyl 1949
speciesangelini(Prantl 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.

Kettneraspis angelini Prantl and Pribyl 1949
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Diagnosis
ReferenceDiagnosis
L. Ramsköld 1984Occipital ring with stout, short, blunt, vertical median spine bearing occipital organ, flanked by pair of slender, pointed spines. Anterior border with row of about fourteen to eighteen tubercles. Free cheek with deep border furrow and convex (tr.) border. All twelve border spines round in section, the anterior four or five with swollen tips, the posterior pointed. Cephalon densely tuberculate. Thoracic axial rings with pair of pointed spines, decreasing in size backwards, anteromedian tubercle, and several symmetrically arranged smaller tubercles. Pygidium with long secondary spines. Second axial ring poorly defined posteriorly. Paired tubercles on axial rings, large tubercle on each pleural ridge, and additional tubercles on axis and anterolateral pleural areas.