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Illaenus usitatus

Trilobita - Corynexochida - Illaenidae

Taxonomy
Illaenus usitatus was named by Zhou et al. (2014). Its type specimen is NIGP 155135, an exoskeleton, and it is a 3D body fossil. Its type locality is NJ689, Yijianfang section, Bachu area, which is in a Katian reef, buildup or bioherm limestone in the Lianglitag Formation of China.

Synonymy list
YearName and author
2014Illaenus usitatus Zhou et al. p. 36 figs. Fig. 17A-E

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderCorynexochida
familyIllaenidaeHawle and Corda 1847
genusIllaenusDalman 1827
speciesusitatus

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.

Illaenus usitatus Zhou et al. 2014
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Diagnosis
No diagnoses are available
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
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedg
Created: 2009-06-09 11:45:35
Modified: 2009-12-14 08:27:47
Source: g = genus, o = order, c = class
References: Aberhan et al. 2004, Harrington et al. 1959, Hendy et al. 2009

Age range: Katian or 453.00000 to 445.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Katian453.0 - 445.2China (Xinjiang) Illaenus usitatus (type locality: 188391)