-
Narrimania Taviani, 1984
Narvaliscala Iredale, 1936
Opalia H. & A. Adams, 1853
Opaliopsis Thiele, 1928
Periapta Bouchet & Waren, 1986 †
Plicacerithium Gerasimov...
- 1758)
Family Nystiellidae Opaliopsis atlantis (Clench & Turner, 1952)
Opaliopsis cearense Andrade,
Costa & Pimenta, 2011
Opaliopsis opalina (Dall, 1927) Family...
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Opalia crenata (Linnaeus, 1758)
Opalia dromio Dall, 1927:
synonym of
Opaliopsis opalina (Dall, 1927)
Opalia espirita (Baker,
Hanna & Strong, 1930): synonym...
-
Olsson (1930),
raised to the rank of a
separate species Olssonia yasila.
Opaliopsis carlsbergi Sp. nov
Valid Hansen Cretaceous-Paleogene
boundary Denmark...
-
report †Odontobasis
sulcata †Oligoptycha †Oligoptycha
corrugata Opaliopsis †
Opaliopsis angustocota †Opertochasma †Ornopsis †Ornopsis
digressa †Ornopsis...
- †Onoba
Oocorys †Ooliticia †Oonia †Oostrombus †Ootomaria †Ootomella
Opalia †
Opaliopsis †Opella †Ophileta †Ophiletina
Ophiodermella †Opimilda †Opisthonema †Optoturris...
