Genus Notosaria Cooper, 1959 |
[Type species= Terebratula nigricans Sowerby, 1846, p. 91] |
Subpentagonal, uniplicate, dorsal fold low; costate, growth lines developing anteriorly, beak nearly straight to suberect; large hypothyrid foramen, deltidial plates disjunct. Median dorsal ridge low; cardinal process wide, transversely triangular. |
Eocene - Present
Diagnosis from volume 4 of the
|
Extant Species of Notosaria |
| Diagnosis |
|
Notosaria nigricans (Sowerby, 1846) Type locality: xx
Terebratula nigricans Sowerby, 1846 Diagnose in preparation - Should be added:
|
Disposition of the pedicle and pedicles muscles - sagittal section Muscle attachment (from Richardson, 1979)
|