Definition of Hyponomic. Meaning of Hyponomic. Synonyms of Hyponomic

- laterally and ventrally, with a small to occluded umbilicus, broadly rounded hyponomic sinus, only slightly sinuous sutures, and a small siphuncle that is variable...
- development of a protruding neck ending at the aperture, both ocular and hyponomic sinuses which form when fully grown, and camerae that are mostly confined...
- breviconic s****, with an elliptical transverse aperture, without a hyponomic sinus, and a small, subventral siphuncle. The phragmocone is rapidly expanding...
- Apertures vary from round to T-shaped, with a long narrow, ventral, hyponomic sinus for the maneuvering funnel. Siphuncles are commonly central or subcentral...
- frills, each of which is bent apically so as for form a well defined hyponomic sinus, but are without spoutlike or spinose projections. Halloceras, from...
- ventral, side is convex in longitudinal profile. The aperture is without a hyponomic sinus. The siphuncle is small and subventral. Other Devonian Acleistoceratidae...
- endogastrically curved orthocerids, so determined by identification of the hyponomic sinus on the concave side. The siphuncle is dorsal of the center, toward...
- venter, tubular, without organic deposits. There is a well developed hyponomic sinus for the hydro-jet or hyponome on ventral side of the aperture. Bernhard...
- S**** are depressed, irregularly annulated cyrtocones with V-shaped hyponomic sinuses, ornamented by longitudinal and transverse ridges. Position and...
- show a broad crest on either side that swings forward above the ventral hyponomic sinus. Septa are close spaced and have a shallow curvature. The body,...