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Brachyhipposiderus

Trilobita - Harpetida - Harpetidae

Taxonomy
Brachyhipposiderus was named by Jell (1985) [Sepkoski Compendium: O (Trem-l) - O (Trem-u) Ref #927]. Its type is Brachyhipposiderus logimus.

It was assigned to Ptychopariida by Sepkoski (2002); and to Harpetidae by Jell (1985), Ebach and McNamara (2002), Jell and Adrain (2002) and Beech and Lamsdell (2021).

Species
B. hunanensis, B. logimus (type species), B. secundus

Synonymy list
YearName and author
1985Brachyhipposiderus Jell p. 71
2002Brachyhipposiderus Ebach and McNamara
2002Brachyhipposiderus Jell and Adrain p. 351
2002Brachyhipposiderus Sepkoski
2021Brachyhipposiderus Beech and Lamsdell p. 2220

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderHarpetida(Whittington 1959)
familyHarpetidaeHawle and Corda 1847
genusBrachyhipposiderus

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.

G. †Brachyhipposiderus Jell 1985
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Diagnosis
ReferenceDiagnosis
P. A. Jell 1985Cephalon sub-semicircular; lp furrow well impressed; alae distinct but low; occipital tubercle prominent; radial anastamosing caecal network on cheeks and brim with moderately large pits between caeca on brim gradually decreasing towards glabella; brim prolonged only a very short distance behind posterior of occipital ring, markedly concave posterolateral^ long genal spine at rear of prolongation; girder prominent, extending to tip of prolongation; check roll widened at level of posterior border furrow, extending adaxially almost as far as exsagitlal line of outer edge of eye tubercle.