Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Callaviinae (disused)

Trilobita - Redlichiida - Holmiidae

Taxonomy
Callaviinae was named by Poulsen (1959) [Poulsen in Moore, 1959].

It was assigned to Holmiidae by Palmer and Repina (1993).

Synonymy list
YearName and author
1959Callaviinae Poulsen p. 192
1993Callaviinae Palmer and Repina p. 26

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
superfamilyOlenelloidea
familyHolmiidaeHupé 1953
subfamilyCallaviinaePoulsen 1959
subfamilyCallaviinaePoulsen 1959

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.

Subfm. †Callaviinae Poulsen 1959
show all | hide all
Diagnosis
ReferenceDiagnosis
A. R. Palmer and L. N. Repina 1993Holmiidae with glabella subcylindrical in outline or slightly expanded anteriorly; L4 extended onto inner part of border. Preglabellar field absent. Border broad. Posterior tips of ocular lobes opposite or posterior to midlength of Li. Thorax broad, with 16 to 18 segments; not clearly differentiated into prothorax and opisthothorax. Pleural regions lacking macropleurae. Pleural spines elongate. Pygidium small, subquadrate.
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: 2009-12-21 06:03:46
Modified: 2009-12-21 08:03:46
Source: f = family, o = order, c = class
References: Hendy et al. 2009, Aberhan et al. 2004, Whittington et al. 1997
Collections
No collection or age range data are available