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Proconchidium munsteri

Rhynchonellata - Pentamerida - Virgianidae

Conchidium munsteri was named by St. Joseph (1938).

It was recombined as Proconchidium muensteri by Rong and Boucot (1998); it was recombined as Proconchidium munsteri by Nikolaev and Sapelnikov (1969) and Jin et al. (2006).

Synonymy list
YearName and author
1938Conchidium munsteri St. Joseph pp. 301-304 figs. pl. 5, figs. 9, 11 , pl. 6, figs. 10-11, text-figs. 7, 1
1964Conchidium munsteri Amsden pp. 229 - 230 figs. Plate 40, fig. 3; text-fig. 4
1969Proconchidium munsteri Nikolaev and Sapelnikov
1998Proconchidium muensteri Rong and Boucot
2006Proconchidium munsteri Jin et al.

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phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderPentameridaSchuchert and Cooper 1931
suborderPentameridinaSchuchert and Cooper 1931
superfamilyPentameroideaMcCoy 1844
familyVirgianidaeBoucot and Amsden 1963
subfamilyVirgianinaeBoucot and Amsden 1963

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.

T. W. Amsden 1964Elongate, biconvex shells without a well-defined fold and sulcus. They are moderately large, with fragmentary specimens suggesting a maximum length of between 40 and 50 mm. The pedicle beak is fairly prominent and the interareas appear to be poorly developed. Both valves are costate, four to five ribs occupying a space of 5 mm. The pedicle valve has a well-developed spondylium supported on a median septum which extends almost the complete Length of the valve (St. Joseph, 1938, text-fig. 10, pl. 5, figs. 9, 11). In the brachial valve, the apparatus is tripartite with long, rod-like brachial processes supported on subparallel and discrete outer plates; on the valve illustrated in text-fig. 4, the outer plates extend forward at least 8 mrn. The brachial processes are overlain by long inner plates.