Ukrainian Bisonocerida Cited by user Стефанко1982 on 28 Sep 2022 Bisonocerida — вимерлий ряд головоногих молюсків підкласу наутилоїдей (Nautiloidea), що існував в ордовицькому та силурійському періодах.
English Bactroceras Cited by user Fanboyphilosopher on 31 May 2022 Bactroceras is a genus of orthoceratoid cephalopods that lived during the early Middle Ordovician, from about 472—464 mya, existing for approximately 8 million years.
English Riocerida Cited by user Fanboyphilosopher on 31 May 2022 Riocerida, originally named as Rioceratida, is an extinct order of Ordovician nautiloid cephalopods.
English Orthoceratoidea Cited by user Fanboyphilosopher on 31 May 2022 Orthoceratoidea is a major subclass of nautiloid cephalopods. Members of this subclass usually have orthoconic (straight) to slightly cyrtoconic (curved) shells, and…
English Endocerida Cited by user Fanboyphilosopher on 31 May 2022 Endocerida is an extinct nautiloid order, a group of cephalopods from the Lower Paleozoic with cone-like deposits in their siphuncle.
English Bisonocerida Cited by user Fanboyphilosopher on 31 May 2022 Bisonocerida is an order of Ordovician to Silurian nautiloid cephalopods. Members of this order were originally placed in the order Endocerida, but later investigation…
English Multiceratoidea Cited by user Fanboyphilosopher on 30 May 2022 When originally defined in 2013, Multiceratoidea included four nautiloid orders: Ellesmerocerida, Oncocerida, Discosorida, and Ascocerida.
English Lituitida Cited by user Fanboyphilosopher on 30 May 2022 Lituitida is an order of orthoceratoid cephalopods. They correspond to the family Lituitidae of the Treatise (Furnish
English Plectronoceratoidea Cited by user Fanboyphilosopher on 29 May 2022 Plectronoceratoidea is a superorder or subclass containing primitive nautiloids from the Late Cambrian and Early Ordovician.
English Cyrtocerinida Cited by user Fanboyphilosopher on 29 May 2022 Cyrtocerinida is an order of Ordovician nautiloid cephalopods. The order includes the families Cyrtocerinidae and Eothinoceratidae, as well as the genera Bathmoceras and…
English Nautiloid Cited by user Fanboyphilosopher on 28 May 2022 Nautiloids are a group of marine cephalopods (Mollusca) which originated in the Late Cambrian and are represented today by the living Nautilus and Allonautilus.
English Siphuncle Cited by user Fanboyphilosopher on 27 May 2022 The siphuncle is used primarily in emptying water from new chambers as the shell grows.
English 2019 in paleomalacology Cited by user 188.146.57.119 on 16 Mar 2019 This list, 2019 in paleomalacology, is a list of new taxa of ammonites and other fossil cephalopods, as well as fossil gastropods, bivalves and other molluscs that are…