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Cyphoproetus depressa

Trilobita - Proetida - Proetidae

Taxonomy
Cyphaspis depressa was named by Barrande (1846). It is a 3D body fossil. Its type locality is Listice, which is in a Wenlock marine shale in the Liten Formation of the Czech Republic.

It was recombined as Cyphoproetus depressus by Owens (1973); it was recombined as Cyphoproetus depressa by Pribyl (1946) and Owen (1981).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1846Cyphaspis depressa Barrande
1946Cyphoproetus depressa Pribyl p. 15
1973Cyphoproetus depressus Owens pp. 28 - 30 figs. Pl. 5, figs. 6-9
1981Cyphoproetus depressa Owen

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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
genusCyphoproetusKegel 1927
speciesdepressa(Barrande 1846)

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.

Cyphoproetus depressa Barrande 1846
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Diagnosis
ReferenceDiagnosis
R. M. Owens 1973Minute preglabellar field; median occipital tubercle anteriorly placed; anterior border sagittally flattened and widened; cephalic margin incurved at base of genal spine which is narrow and lacks median furrow; thorax of 10 segments; pygidial axis with 5 rings, pleural areas with 4 pairs of ribs; sculpture granular.