Species

Dalmanella oanduensis Hints, L., 1975

Taxon description

Hints, L., 2024

Relatively large for Dalmanellidae, subcircular shell, ventri­biconvex to nearly planoconvex. Hinge line attains on average about 0.7 of valve width. Ornament fascicostellate to ramicostellate, 12–16 ribs appear around umbo, 3–8 posterior ribs recurve posteriorly. Dorsal valve with interspaces in rib arrangement. Notothyrial platform triangular, brachiophore plates anteriorly U­-shaped. Bilobed cardinal process small, finely crenulated. Shaft short on elevated noto ­thyrial platform.

Type specimen data
Synonymy list
1975     Horderleyella kegelensis oanduensis subsp. nov. — Hints , pp. 73, fig. 19:1-13
2024     Dalmanella oanduensis Hints, 1975 — Hints, L. , pp. 52, fig. 3; 4J–U; 5E, K–N; 6F–I, L–T
Selection of related publications
Hints, L. 2024. Taxonomy of the Sandbian (Upper Ordovician) brachiopod Dalmanella kegelensis Alichova, 1953 and the new genus Alichovella. Estonian Journal of Earth Sciences 73, 1, 45-56. DOI:10.3176/earth.2024.06
Hints, L., Paškevičius, J., Martma, T., Männik, P., Nõlvak, J. 2016. Upper Sandbian–lower Katian bio- and chemostratigraphy in the Pajevonys-13 core section, Lithuania. Estonian Journal of Earth Sciences 65, 2, 85-97. DOI:10.3176/earth.2016.08
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
SuperfamilyDalmanelloidea
FamilyDalmanellidae
SubfamilyDalmanellinae
GenusDalmanella
Speciesaluverensis
cyclica
humalaensis
media
meeki
multisecta
neocrassa
oanduensis
occlusa
rosensteinae
testudinaria
References based on distribution