-
Bostrychoceras is a
genus of
heteromorph ammonite from the
family Nostoceratidae.
Fossils have been
found in Late
Cretaceous sediments in
Europe and North...
- dimensions),
similar in
appearance to some
gastropods (e.g.,
Turrilites and
Bostrychoceras). Some species' s**** are even
initially uncoiled, then
partially coiled...
- genera, such as Yezoceras, Ainoceras, Anaklinoceras, and some
species of
Bostrychoceras and Eubostrychoceras, display, as
young s**** at least, a
helical coiling...
- old: zone of
Nostoceras hyatti zone of
Didymoceras chayennense zone of
Bostrychoceras polyplo**** zone of
Hoplitoplacenticeras marroti / Hoplitoplacenticeras...
-
Species may coil
either to the left or to the right.
Nostoceras is like
Bostrychoceras in
general form,
except that its ribs may be
flared and the constrictions...
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Bollandoceras Boreom****oceras
Borissjakoceras Borkinia Bornhardticeras Bosnites Bostrychoceras Boucaulticeras Bouleiceras Bradfordia Brahmaites Bramkampia Brancoceras...
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likely evolved from E. ****oni****.
Related genera include Anaklinoceras,
Bostrychoceras, Didymoceras, and Nostoceras. Sepkoski, Jack (2002). "Sepkoski's Online...
-
buchi †
Bostrychoceras †
Bostrychoceras brewerii †
Bostrychoceras californi**** – type
locality for
species †
Bostrychoceras declive †
Bostrychoceras occidentale...
-
locality for
genus †Betelgeusia
reidi – type
locality for
species †
Bostrychoceras Botula †Botula
carolinensis †Botula
conchafodentis †Brachauchenius †Brachauchenius...
- †Barrettia †Basilemys †
Belleza Bernaya †Beudanticeras †Bochianites †
Bostrychoceras †Brancoceras
Bulimulus Bullaria Bullina †Californites – type locality...
