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...
- the family, the siphuncle has orthochoanitic (short and straight) or cyrtochoanitic (outwardly curved) septal necks, which protrude from the septa. The...
- a paraspatium. (Teichert 1964) Septal necks are generally short and cyrtochoanitic, some being re****bent, some hook shaped. Most grew to lengths of about...
- and dorsal lobes. Hyponomic sinus is well developed. The siphuncle is cyrtochoanitic and empty, located between the center and venter; segments expanded...
- but in Solenochilus they are cyrtochoanitic and re****bent on the dorsal side, rather than simply curved back, cyrtochoanitic. Solenochilus resembles its...
- siphuncle. Septal necks are orthochoanitic ventrally and orthochoanitic or cyrtochoanitic dorsally. The Aipoceratoidea are the Solenochilida according to Flower...
- Siphuncle segments nummuloidal (beaded in appearance), septal necks cyrtochoanitic (flared outwardly) generally with re****bent (bent back on themselves)...
- septal necks, but becomes cyrtochoanitic with expanded segments in the later growth stages, and is expanded and cyrtochoanitic throughout in advanced forms...
- segments are inflated ventrally but straight dorsally. Septal necks are cyrtochoanitic, outwardly curved; connecting rings are thin. Genera include Karoceras...