-
Astralium semicostatum,
common name the half-ribbed star s****, is a
species of sea snail, a
marine gastropod mollusk in the
family Turbinidae, the turban...
-
Vexillum semicostatum,
common name the half-ribbed mitre, is a
species of
small sea snail,
marine gastropod mollusk in the
family Costellariidae, the ribbed...
- of
Asteroceras obtusum zone of
Caenisites turneri zone of
Arnioceras semicostatum zone of
Arietites bucklandi "International
Chronostratigraphic Chart"...
-
Arnioceras rejectum Fucini 1902
Arnioceras robustum Quenstedt 1884
Arnioceras semicostatum Young and Bird 1828
Arnioceras speciosum Fucini 1902
Synonyms Arniotites...
- desertorum, A. elmeri, A. intermedium, A. riparium, A. scabriglume, A.
semicostatum, A. subsecundum, A. trachycaulum, A.
trachycaulum var. trachycaulum,...
- Costellariidae) from the
central Indo-Pacific with
remarks on
Vexillum (Pusia)
semicostatum (Anton, 1838).
Contributions to
Natural History 24: 1–55 v t e...
- Costellariidae) from the
central Indo-Pacific with
remarks on
Vexillum (Pusia)
semicostatum (Anton, 1838).
Contributions to
Natural History 24: 1–55 v t e...
-
quadricollis (Fairmaire, 1902)
Tribolium semele Hinton, 1948
Tribolium semicostatum (Gebien, 1910)
Tribolium sulmo Hinton, 1948
Tribolium thusa Hinton, 1948...
-
rotularium (Lamarck, 1822)
Astralium saturnum Chino, 1999
Astralium semicostatum (Kiener, 1850)
Astralium stellare (Gmelin, 1791)
Astralium tentoriiforme...
- Lias
Formation Stratigraphic range: Rhaetian-Lower
Sinemurian Planorbis-
Semicostatum ~201–198 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Lower Lias
sequence exposed...
