Species

Pionodema costata Hints, 1975

Taxon description

Hints, L., 1975

Shell of a small size for the genus, subquadrate in outline; anterior commissure rectim arginate. Cardinalia consisting of subparallel brachiophores with long brachiophore processes. Dorsal adductor scars elongate with subtriangular posterior elements half as long as anterior ones. Pedicle muscle field bilobed. Radial ornamentation consisting of 7— 9 costellae per 2 mm, at 2 mm anterior of dorsal umbo.

Type specimen data
holotype: Department of Geology, TalTech GIT 207-9, Tapa new quarry (Estonia, Tapa) , Nabala Stage (Nabala Stage, Saunja Fm.; Katian)
Synonymy list
1975     Pionodema costata sp. nov. — Hints , pp. 23-25, fig. 3:1-10;text-fig. 15
Selection of related publications
Hints, L. 1975. Brahiopody Enteletacea ordovika Pribaltiki. pp. 1-119. Eesti NSV Teaduste Akadeemia.
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Classification
Organism groupBiota
KingdomAnimalia
PhylumBrachiopoda
SubphylumRhynchonelliformea
ClassRhynchonellata
OrderOrthida
SuborderDalmanellidina
SuperfamilyEnteletoidea
FamilyDraboviidae
SubfamilyDraboviinae
GenusPionodema
Speciescostata
dubia
References based on distribution