PBDB Taxon

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Schizophoria (Eoschizophoria) paraprima

Rhynchonellata - Orthida - Schizophoriidae

Discussion

Originally Schizophoria paraprima, Johnson 1973

Taxonomy

Schizophoria (Eoschizophoria) paraprima was named by Stigall Rode (2005). Its type specimen is USNM171386, a valve, and it is a 3D body fossil.

Sister species lacking formal opinion data

S. allani, S. athabaskensis, S. athabaskiensis, S. bisinuata, S. compacta, S. connivens, S. fascicostella, S. fecunda, S. fossula, S. fragilis, S. latisulcata, S. lianghetangensis, S. mayesensis, S. mcfarlanei, S. multistriata, S. nevadensis, S. protonevadensis, S. runegatensis, S. shubarica, S. similis, S. striatula, S. texana, S. athabaskensis

Synonymy list

Year	Name and author
2005	Schizophoria (Eoschizophoria) paraprima Stigall Rode p. 149 fig. 4.2

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
—	Lophophorata
—	Panbrachiopoda	Carlson and Cohen 2020
phylum	Brachiopoda	Cuvier 1805

Rank	Name	Author
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Rhynchonellata	Williams et al. 1996
order	Orthida	Schuchert and Cooper 1932
suborder	Dalmanellidina	Moore 1952
superfamily	Enteletoidea	Waagen 1884
family	Schizophoriidae	Schuchert and Le Vene 1929
genus	Schizophoria
subgenus	Eoschizophoria
species	paraprima

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.

†Schizophoria (Eoschizophoria) paraprima Stigall Rode 2005

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Diagnosis

Reference	Diagnosis
A. L. Stigall Rode 2005	Small, biconvex S. (Eoschizophoria); hinge line long; cardinal extremities rounded; poorly developed fold and sulcus, onset distal; shell depth short; shell height low; low to moderate inflation of ventral valve;highly inflated dorsal valve; wide dorsal and narrow ventralumbonal angles; delthyrium narrow; ventral umbo extendsfurther posteriorly than dorsal umbo, dorsal valve flanks dip gently away from umbonal region; ventral muscle field bilobate, diductor tracks parallel; dental plates form low-relief ridge on lateral edges of ventral muscle field; ventral muscle field short and narrow; dorsal muscle field short and narrow.