Definition of Belemnoids. Meaning of Belemnoids. Synonyms of Belemnoids

- Belemnoids are an extinct group of marine cephalopod, very similar in many ways to the modern squid. Like them, the belemnoids possessed an ink sac, but...
- Tertiary. Although most of these groups are traditionally classified as belemnoids, the variation among them suggests that some are not closely related to...
- were a stem-group of Decapodiformes: According to the "belemnoid root-stock theory", belemnoids gave rise to modern coleoids sometime in the Mesozoic,...
- America. A specimen of a belemnoid had been found in Germany, clearly preserving 10 tentacles as carbon films, showing that belemnoids are similar to squids...
- Paleocirroteuthis Vampyron****a Ceratitid ammonoids late Nautilida Advanced belemnoids Diplobelids: Diplobelus Belemnites: Belemnites Belemnopsis Belemnotheutis...
- (Neocephalopoda or Angusteradulata) is closer to modern coleoids, and includes belemnoids, ammonoids, and many orthocerid families. There are also stem group cephalopods...
- "thunderstone" has also been traditionally applied to the fossilised rostra of belemnoids. The origin of these bullet-shaped stones was not understood, and thus...
- Paleocirroteuthis Vampyron****a Ceratitid ammonoids late Nautilida Advanced belemnoids Diplobelids: Diplobelus Belemnites: Belemnites Belemnopsis Belemnotheutis...
- became the early Paleozoic equivalent of coleoids. The early coleoids and belemnoids adopted a different approach: the phragmocone was retained but became...
- Paleocirroteuthis Vampyron****a Ceratitid ammonoids late Nautilida Advanced belemnoids Diplobelids: Diplobelus Belemnites: Belemnites Belemnopsis Belemnotheutis...