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Eosoproetus laevigatus

Trilobita - Proetida - Proetidae

Taxonomy
Eosoproetus laevigatus was named by Zhou et al. (2000). Its type specimen is XIG TR522 (librigena) and is a 3D body fossil. Its type locality is C006. Zhusilenghaierhan area, which is in an Eifelian carbonate limestone in the Yikewsusu Formation of China.

Synonymy list
YearName and author
2000Eosoproetus laevigatus Zhou et al. p. 466 figs. PI. 5 figs 9-13

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
superfamilyProetoideaHawle and Corda 1847
familyProetidaeSalter 1864
subfamilyProetinaeSalter 1864
genusEosoproetus
specieslaevigatus

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.

Eosoproetus laevigatus Zhou et al. 2000
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Diagnosis
ReferenceDiagnosis
Z. Zhou et al. 2000Eosoproetus with somewhat effaced cephalon and pygidium; glabella 0.8 times as long as wide, weakly abaxially convex opposite ı91 3 pairs of very weak lateral glabellar furrows; pygidium with 11 axial rings with very shallow ring furrows plus a terminal piece, and 5 of 6 pairs of pleural ribs, with interpleural furrows effaced after first two; surface of exoskeleton smooth.
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: deposit feedero
Vision: well-developedf
Created: 2009-06-11 18:30:23
Modified: 2009-12-19 04:35:55
Source: f = family, o = order, c = class
References: Hendy 2009, Aberhan et al. 2004, Fortey and Owens 1999

Age range: Eifelian or 393.30000 to 387.70000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Eifelian393.3 - 387.7China (Inner Mongolia) Eosoproetus laevigatus (type locality: 217257 217263)