Definition of Subdiscoidal. Meaning of Subdiscoidal. Synonyms of Subdiscoidal

- suborders included in the Goniatitida, characterized by generally involute, subdiscoidal s**** and by sutures in which the ventral ones are undivided. Sutural...
- Bisatoceratidae. Bisatoceras was named by Miller and Owen in 1937 and has a subdiscoidal s**** with a very narrow or closed umbilicus. Whorl height exceeds with...
- British Columbia. The s**** of Griesbachites is involute, subglobose to subdiscoidal, ribbed; with sloping sides converging on an arched venter. Like Juvavites...
- previously included in the Hungeritidae. The s**** of Arctohungerites is subdiscoidal, involute, with a rounded venter, weak sigmoidal folds on the body chamber...
- arculus is incomplete; forewing discoidal cell very acute; large and acute subdiscoidal cell in hindwing; primary antenodal braces Ax1 and Ax2 stronger than...
- Tornoceras is a strongly involute, subdiscoidal Middle and Upper Devonian goniatite with a suture that forms six to ten lobes. Tornoceras is an extinct...
- goniatitid family Reticuloceratidae which are characterized by involute subdiscoidal s**** covered by linear or biconvex growth lines that may be crossed...
- Tornoceratina and the superfamily Tornoceratoidea. Tornoceratids are subdiscoidal goniatitids with biconvex growth lines and sutures that form 6 to 10...
- Clyclolobus is a smooth, essentially involute subdiscoidal goniatitid ammonoid that has sutures with a bifurcate ventral lobe, flared outwardly at the...
- marine gastropod mollusk in the family Skeneidae. The height of the subdiscoidal s**** attains 0.75 mm, its diameter 1.3 mm This species occurs in the...