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Binomial name †Megasurcula
howei Hanna and Hertlein, 1938
Synonyms †Megasurcula
etheringtoni Weaver, 1943 †Megasurcula
keepi (Arnold)
Grant and Gale, 1931...
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Stoyanowiceras treffry****
Aptian Trincheras Fm.
Apulo Cundinamarca Heminautilus etheringtoni,
Cheloniceras sp.,
Heinzia sp.,
Pseudohaploceras sp., bryozoans, molluscs...
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following species of
Heminautilus have been described: H.
boselliorum H.
etheringtoni H. ****onicus H. lallieri**** H.
rangei H.
sanctaecrucis H.
saxbii H....
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Caballos reservoirs. The
formation has
provided fossils of
Heminautilus etheringtoni,
Araucarites sp.,
Brachyphyllum sp.,
Cladophlebis sp., and Weichselia...
- egg ****le
Laevicardium eliodelfabroi Cossignani, 2024
Laevicardium etheringtoni Laevicardium gorgasi Laevicardium laevigatum (Linnaeus, 1758) — egg ****le...
- 1937 †Hexaplex (Hexaplex)
engonatus Conrad 1833 †Hexaplex (Hexaplex)
etheringtoni Vokes 1968 †Hexaplex (Hexaplex)
katherinae Vokes 1968 †Hexaplex (Hexaplex)...
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yokoyamai (Otuka, 1934)
Species brought into
synonymy †
Megasurcula etheringtoni Weaver, 1943:
synonym of †
Megasurcula howei Hanna and Hertlein, 1938...
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Fossils of the
ammonites Heinzia sp.,
Pseudohaploceras sp.,
Heminautilus etheringtoni,
Cheloniceras sp. and bryozoans,
molluscs and
echinoids have been found...
- is
characterised by a
sequence of sandstones.
Fossils of
Heminautilus etheringtoni have been
found in the Une Formation. The Une Formation, part of the...
