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Alokistocare modestum

Trilobita - Ptychopariida - Alokistocaridae

Taxonomy
Alokistocare modestum was named by Lochman (1952). Its type specimen is U.S.N.M. No.115897;, a cephalon/head (cranidium), and it is a 3D body fossil.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1952Alokistocare modestum Lochman pp. 116-117 figs. 11-16

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyAlokistocaridaeResser 1939
genusAlokistocareLorenz 1906
speciesmodestum

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.

Alokistocare modestum Lochman 1952
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Diagnosis
ReferenceDiagnosis
C. Lochman 1952The species is most similar to the genotype, A. subcoronatum (Hall and Whitfield) differing from it mainly in the weaker development of the median bulge and the steeper descent of the border. In the genotype the border is essentially horizontal in position.
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-02 14:41:20
Modified: 2009-06-02 16:41:20
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Delamaran to the top of the Menevian or 511.20000 to 499.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Delamaran - Menevian511.2 - 499.5Mexico Alokistocare modestum (10687)