Syringonautilidae is a family of Nautiloidea from the middle to late Triassic. Syringonautilidae comprise the last of the Trigonoceratoidea and are the...
5 KB (530 words) - 23:50, 17 December 2021
Triassic with Cenoceras, a globular to discoidal genus derived from the Syringonautilidae and possibly from Syringonautilus. Cenoceras, the earliest member...
2 KB (222 words) - 17:35, 25 January 2024
origin in the Trigonocerataceae (Centroceratina), specifically in the Syringonautilidae of the Late Triassic and continues to this day with Nautilus, the...
55 KB (5,523 words) - 14:27, 10 July 2024
are placed in the Liroceratina. The Nautilina are derived from the Syringonautilidae, a family in the Centroceratina (Trigonocerataceae), in the Late Triassic...
2 KB (241 words) - 19:07, 18 July 2023
along with the Centroceratidae, Grypoceratidae, Permoceratidae, and Syringonautilidae. Phylogenetic study and age show that the Centroceratidae are the...
5 KB (628 words) - 03:42, 28 July 2023
Trigonocerataceae, in turn, gave rise late in the Triassic through the Syringonautilidae to the Nautilaceae, which include the Nautilidae, with Nautilus. (Kummel...
10 KB (1,127 words) - 17:26, 3 December 2023
Clionitidae. Oxynautius O. acutus A genus of the clydonitacean family syringonautilidae. Gryptoceras G. cooperi Mojsvaroceras M. turneri A genus of Ceratitids...
31 KB (544 words) - 00:00, 18 June 2024
the Grypoceratidae in Stenopoceras and Parastenopoceras, and in the Syringonautilidae.(ibid Kummel) Kummel, B. Nautililoidea - Nautilida; Treatise on Invertebrate...
5 KB (523 words) - 08:24, 23 October 2021
uncertain. Stenopoceras or Parastenopoceras is the likely ancestor of the Syringonautilidae from the Triassic. The taxonomy of the Grypoceratidae in the Treatise...
7 KB (650 words) - 03:42, 28 July 2023