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Crassiproetus microgranulatus

Trilobita - Proetida - Proetidae

Taxonomy
Proetus (Crassiproetus) microgranulatus was named by Stumm (1953) [= Proetus (Crassiproetus) sp. B Stumm 1953a: 115, pI. 1, fig. 9.].

It was recombined as Crassiproetus microgranulatus by Lieberman (1994).

Synonymy list
YearName and author
1953Proetus (Crassiproetus) microgranulatus Stumm p. 111 figs. pl. 1, fig. 3
1994Crassiproetus microgranulatus Lieberman pp. 74 - 75 figs. 19.1-19.6

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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
subfamilyCrassiproetinaeOsmólska 1970
genusCrassiproetus()
speciesmicrogranulatus()

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.

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Diagnosis
ReferenceDiagnosis
B. S. Lieberman 1994Eye sits on relatively broad, flat pedestal; posterior region of glabella inflated pygidial axis separated from border by small space; anterior branch of facial suture running straight forward; medial kinks on pygidial axial rings visible on half of axial segments; typically 16 rings; top of pygidial pleural segments, in lateral view, rounded; pygidium broad, width 1.5 times length; pygidial border developed as rounded, laterally splayed ridge.
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, Fortey and Owens 1999, Aberhan et al. 2004

Age range: Middle Devonian or 393.30000 to 382.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Devonian393.3 - 382.7USA (Michigan) Proetus microgranulatus (206786)