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Crassiproetus calhounensis

Trilobita - Proetida - Proetidae

Taxonomy
Cornuproetus calhounensis was named by Cooper and Cloud (1938). It is a 3D body fossil. Its type locality is Salt Spring Hollow, about two miles north of the hollow south of Kritesville, which is in a Givetian carbonate limestone in the Little Cedar Formation of Illinois.

It was recombined as Crassiproetus calhounensis by Stumm (1953) and Lieberman (1994).

Synonymy list
YearName and author
1938Cornuproetus calhounensis Cooper and Cloud pp. 455-457 figs. pl. 55, figs. 9, 13-15, 18, 19, 23
1953Crassiproetus calhounensis Stumm pp. 111-112
1994Crassiproetus calhounensis Lieberman pp. 75 - 77

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
Life
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
superfamilyProetoideaHawle and Corda 1847
familyProetidaeSalter 1864
subfamilyCrassiproetinaeOsmólska 1970
genusCrassiproetus()
speciescalhounensis()

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.

Crassiproetus calhounensis Cooper and Cloud 1938
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Diagnosis
No diagnoses are available
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: Givetian or 387.70000 to 382.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Givetian387.7 - 382.7USA (Illinois) Cornuproetus calhounensis (type locality: 54909)