Definition of Subtriangular. Meaning of Subtriangular. Synonyms of Subtriangular

- concave. In cross section s**** are typically tear-drop in shape to subtriangular. The siphuncle is typically nummuloidal, like a string of beads, with...
- cartilaginous fish from the Pennsylvanian to the Permian, known from subtriangular to rhomboidal teeth. The genus was named by Richard Owen in 1840 and...
- genera characterized by longiconic orthocones and cyrtocones with a subtriangular to depressed cross-section in which the ventral (siphuncular) side is...
- medial terminal spine. Zlichovaspis has a subtriangular cephalon with a short median processus, a subtriangular pygidium, and a longer medial terminal spine...
- tips longer than those of anterior pleurae. The pygidium is elongate subtriangular with the axis narrowly triangular reaching the back of the pygidium...
- oblate-spheroidal, medium-sized, isopolar monads. They are 3-colplorate with a subtriangular amb, a small polar area, a long colpus, a lalongate endoaperture, a...
- torticones. that tend to develop vestigial actinosiphonate deposits and subtriangular transverse sections. The Brevicoceratidae are derived from Oonoceras...
- with a con****uous hyponomic sinus. Early whorl sections tend to be subtriangular; become broader and dorsally impressed in closely coiled forms. Sutures...
- Trigonoceras has a very loosely coiled gyroconic or cyrtoconic s**** with a subtriangular cross section, as indicated by fragmentary specimens. The venter on...
- Allosaurus fragilis, when viewed from the side, had a subtriangular outline. This subtriangular inner ear configuration is present in Carcharodontosaurus...