
Asteroceras (from Ancient Greek ἀστήρ (astḗr), meaning "star", and κέρας (kéras), meaning "horn") is an extinct genus of cephalopod belonging to the Ammonite subclass. These fast-moving nektonic carnivores lived during the Triassic and Jurassic periods (from 205.6 to 189.6 Ma).
Asteroceras (from Ancient Greek ἀστήρ (astḗr), meaning "star", and κέρας (kéras), meaning "horn") is an extinct genus of cephalopod belonging to the Ammonite subclass. These fast-moving nektonic carnivores lived during the Triassic and Jurassic periods (from 205.6 to 189.6 Ma).
==Species== Asteroceras blakei Spath, 1925 Asteroceras confusum Spath, 1925 Asteroceras obtusum (Sowerby, 1817) Asteroceras reynesi Fucini, 1903 Asteroceras saltriensis Parona, 1896 Asteroceras smithii (Sowerby, 1814) Asteroceras stellare (Sowerby 1815) Asteroceras turneri (Sowerby, 1814)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).