Definition of Longiconic. Meaning of Longiconic. Synonyms of Longiconic

- were straight (orthoconic), others curved (cyrtoconic); some were long (longiconic), others short (breviconic). Some long-s****ed forms like Endoceras attained...
- Pseudorthocerida is an order of generally straight longiconic orthoceratoids with a subcentral to marginal cyrtochoanitic siphuncle composed of variably...
- possibly Estonia that can be recognized by its slender, weakly endogastric, longiconic and annulate s**** and large marginal siphuncle that contains endocones...
- as a family within the Oncocerida to include genera characterized by longiconic orthocones and cyrtocones with a subtriangular to depressed cross-section...
- order of nautiloid cephalopods from the Ordovician comprising exogastric longiconic cyrtocones, that is no longer in common use. The Order B****lerocerida...
- Ascoceratidae is a family of Ascocerida, bizarre orthoceratoid cephalopods, with longiconic, deciduous early growth stages which undergo period truncation and an...
- family Kionoceratidae. Ohioceras is characterized by a slightly curved longiconic s**** with a circular to slightly depressed cross-section. The surface...
- Aipocerataceae in Kümmel 1964, the Rutoceratina are characterized as having longiconic, curved, and coiled s**** which develop solid, hollow, and spoutlike...
- rings, are broadly expanded. Pseudogomphoceras is a large, atypically longiconic mandeloceratid that reflects its reudemannoceratid ancestry. The subcentral...
- smooth and compressed and vary in form. They may be breviconic (short) or longiconic (elongate), straight (orthoconic) or curved (cyrtoconic). Cyrtoconic forms...