Definition of Cyrtochoanitic. Meaning of Cyrtochoanitic. Synonyms of Cyrtochoanitic

- generally straight longiconic orthoceratoids with a subcentral to marginal cyrtochoanitic siphuncle composed of variably expanded segments which may contain internal...
- uniformly with V-shaped ventral lobes. Septal necks are orthochoanitic to cyrtochoanitic, the apical angle may be small or large, and the protoconch is globular...
- but in Solenochilus they are cyrtochoanitic and re****bent on the dorsal side, rather than simply curved back, cyrtochoanitic. Solenochilus resembles its...
- the family, the siphuncle has orthochoanitic (short and straight) or cyrtochoanitic (outwardly curved) septal necks, which protrude from the septa. The...
- siphuncle. Septal necks are orthochoanitic ventrally and orthochoanitic or cyrtochoanitic dorsally. The Aipoceratoidea are the Solenochilida according to Flower...
- a paraspatium. (Teichert 1964) Septal necks are generally short and cyrtochoanitic, some being re****bent, some hook shaped. Most grew to lengths of about...
- Fayettoceras has a s**** which is a depressed cyrtocone with a ventral cyrtochoanitic siphuncle of elongated ovoid segments strongly contracted at the septal...
- Tripteroceras except the siphuncle which starts off suborthochoanitic becomes cyrtochoanitic with subspherical segments in the later growth stages. Allumettoceras...
- septal necks, but becomes cyrtochoanitic with expanded segments in the later growth stages, and is expanded and cyrtochoanitic throughout in advanced forms...
- subventral, close to but not touching the ventral margin. In form, cyrtochoanitic, necks re****bent. Related genera include Diestoceras, Dowlingoceras...