Lytoceratina is a suborder of Jurassic and Cretaceous ammonites that produced loosely coiled, evolute and gyroconic shells in which the sutural element...

sutures. Ammonitida is divided into four suborders, the Phylloceratina, Lytoceratina, Ancyloceratina, and Ammonitina. The Phylloceratina is the ancestral...

suborder of ammonite most closely related to the ammonites of order Lytoceratina. They evolved during the Late Jurassic but were not very common until...

during the Early Jurassic, with the orders Psiloceratina, Ammonitina, Lytoceratina, Haploceratina, Perisphinctina and Ancyloceratina all appearing during...

Phylloceratina gave rise early in the Jurassic through the Phylloceratidae to the Lytoceratina, which in turn gave rise to most of the Ammonitina The Phylloceratidae...

the Paleozoic; the Ceratitina from the Triassic; and the Ammonitina, Lytoceratina and Phylloceratina from the Jurassic and Cretaceous. In subsequent taxonomies...

al., 1957) Suborder † Ceratitina Suborder † Phylloceratina Suborder † Lytoceratina Suborder † Ammonitina Subsequent revisions include the establishment...

significantly in the Norian. Other ammonite groups such as the Ammonitina, Lytoceratina, and Phylloceratina diversified from the Early Jurassic onward. Bivalves...

gave rise at or near the beginning of the Jurassic to the ancestral Lytoceratina, the early Lower Jurassic Peluroacanthitidae and Ectocentridae. The Phyloceratidae...

Previously (Arkell, 1957) it was included in the ammonoid suborder, Lytoceratina. The shell of Turrilites is tightly wound in a high trochospiral, with...