Trachyceratidae Family
The Mollusk (Daxatina laubei Tozer, 1994) is one of the most fascinating mollusc species found in iso. This in-depth guide covers taxonomy, anatomy,...
167 species in this family.167 species in this category
Mollusk (Neosirenites pseudopentastichus) - Facts & Information
Neosirenites pseudopentastichus Bychkov, 1973
Mollusk (Muensterites glaciensis) - Facts & Information
Muensterites glaciensis (McLearn, 1940)
Mollusk (Arctosirenites southeri) - Facts & Information
Arctosirenites southeri Tozer, 1994
Mollusk (Zestoceras barwicki) - Facts & Information
Zestoceras barwicki (Johnson, 1941)
Mollusk (Otoarpadites Tozer) - Facts & Information
Otoarpadites Tozer, 1994
Mollusk (Sirenotrachyceras thusneldae) - Facts & Information
Sirenotrachyceras thusneldae (Mojsisovics, 1893)
Mollusk (Sirenites nanseni) - Facts & Information
Sirenites nanseni Tozer, 1961
Mollusk (Silenticeras involutum) - Facts & Information
Silenticeras involutum Tozer, 1994
Mollusk (Trachyceras muensteri) - Facts & Information
Trachyceras muensteri (Wissmann, 1841)
Mollusk (Daxatina canadensis) - Facts & Information
Daxatina canadensis (Whiteaves, 1889)
Mollusk (Hannaoceras henseli) - Facts & Information
Hannaoceras henseli (Oppel, 1865)
Mollusk (Meginoceras effervescens) - Facts & Information
Meginoceras effervescens Tozer, 1994
Mollusk (Sirenites senticosus) - Facts & Information
Sirenites senticosus (Dittmar, 1866)
Mollusk (Neoprotrachyceras attila) - Facts & Information
Neoprotrachyceras attila (Mojsisovics, 1893)
Mollusk (Hannaoceras nodifer) - Facts & Information
Hannaoceras nodifer (Hyatt & Smith, 1905)
Mollusk (Pterosirenites obrucevi) - Facts & Information
Pterosirenites obrucevi (Bajarunas, 1932)
Mollusk (Protrachyceras springeri) - Facts & Information
Protrachyceras springeri Smith, 1914
Mollusk (Trachyceras bipunctatum) - Facts & Information
Trachyceras bipunctatum (Munster, 1841)
Mollusk (Pseudosirenites bullatus) - Facts & Information
Pseudosirenites bullatus Tozer, 1994
Mollusk (Sirenites lawsoni) - Facts & Information
Sirenites lawsoni Hyatt & Smith, 1905
Mollusk (Anasirenites Mojsisovics) - Facts & Information
Anasirenites Mojsisovics, 1893
Mollusk (Okhototrachyceras Konstantinov) - Facts & Information
Okhototrachyceras Konstantinov, 2012
Mollusk (Trachyceras douvillei) - Facts & Information
Trachyceras douvillei Mansuy, 1912
Mollusk (Trachystenoceras) - Facts & Information
Trachystenoceras
Mollusk (Sirenites ovinus) - Facts & Information
Sirenites ovinus Tozer, 1994
Mollusk (Paratrachyceras ulynense) - Facts & Information
Paratrachyceras ulynense Bychkov, 1973
Mollusk (Anolcites angustus) - Facts & Information
Anolcites angustus Tozer, 1994
Mollusk (Daxatina limpida) - Facts & Information
Daxatina limpida Tozer, 1994
Mollusk (Arpadites kingi) - Facts & Information
Arpadites kingi Smith, 1927
Mollusk (Brotheotrachyceras Urlichs) - Facts & Information
Brotheotrachyceras Urlichs, 1994
Mollusk (Protrachyceras deprati) - Facts & Information
Protrachyceras deprati (Mansuy, 1912)
Mollusk (Neoprotrachyceras Krystyn) - Facts & Information
Neoprotrachyceras Krystyn, 1978
Mollusk (Pamphagosirenites pamphagus) - Facts & Information
Pamphagosirenites pamphagus (Dittmar, 1866)
Mollusk (Striatosirenites kedonensis) - Facts & Information
Striatosirenites kedonensis Bychkov, 1973
Mollusk (Anolcites anguinus) - Facts & Information
Anolcites anguinus Tozer, 1994
Mollusk (Otoarpadites auritus) - Facts & Information
Otoarpadites auritus Tozer, 1994
Mollusk (Striatosirenites striatofalcatus) - Facts & Information
Striatosirenites striatofalcatus (Hauer, 1847)
Mollusk (Trachyceras silberlingi) - Facts & Information
Trachyceras silberlingi Balini et al., 2012
Mollusk (Guanlingoceras Mao) - Facts & Information
Guanlingoceras Mao, Yang, Huang & Ma, 2024
Mollusk (Eoprotrachyceras lahontanum) - Facts & Information
Eoprotrachyceras lahontanum (Smith, 1914)
Mollusk (Zestoceras lorigae) - Facts & Information
Zestoceras lorigae Mietto & Manfrin, 2008
Mollusk (Daxatina Strand) - Facts & Information
Daxatina Strand, 1929
Mollusk (Meginoceras triviale) - Facts & Information
Meginoceras triviale Tozer, 1994
Mollusk (Trachyceras aon) - Facts & Information
Trachyceras aon (Munster, 1834)
Mollusk (Zestoceras nitidum) - Facts & Information
Zestoceras nitidum Tozer, 1994
Mollusk (Sirenites yakutensis) - Facts & Information
Sirenites yakutensis Kiparisova, 1937
Mollusk (Seimkanites aculeatus) - Facts & Information
Seimkanites aculeatus (Bychkov, 1976)
Mollusk (Vredenburgites Diener) - Facts & Information
Vredenburgites Diener, 1916
Mollusk (Silenticeras gibsoni) - Facts & Information
Silenticeras gibsoni Tozer, 1994
Mollusk (Seimkanites Konstantinov) - Facts & Information
Seimkanites Konstantinov, 1999
Mollusk (Liardites whiteavesi) - Facts & Information
Liardites whiteavesi Tozer, 1963
Mollusk (Silenticeras hatae) - Facts & Information
Silenticeras hatae (McLearn, 1930)
Mollusk (Maclearnoceras Tozer) - Facts & Information
Maclearnoceras Tozer, 1963
Mollusk (Sinomeginoceras xingyiense) - Facts & Information
Sinomeginoceras xingyiense Balini & Zou, 2015
Mollusk (Edmundites Diener) - Facts & Information
Edmundites Diener, 1916
Mollusk (Pterosirenites auritus) - Facts & Information
Pterosirenites auritus Tozer, 1980
Mollusk (Arctoarpadites Tozer) - Facts & Information
Arctoarpadites Tozer, 1994
Mollusk (Arctosirenites Tozer) - Facts & Information
Arctosirenites Tozer, 1961
Mollusk (Zestoceras enode) - Facts & Information
Zestoceras enode (Tozer, 1972)
Mollusk (Daxatina megabrotheus) - Facts & Information
Daxatina megabrotheus Tozer, 1994
Mollusk (Sirenites betulinus) - Facts & Information
Sirenites betulinus (Dittmar, 1886)
Mollusk (Meginoceras aylardi) - Facts & Information
Meginoceras aylardi (McLearn, 1947)
Mollusk (Austrotrachyceras Krystyn) - Facts & Information
Austrotrachyceras Krystyn, 1978
Mollusk (Neoprotrachyceras baconicum) - Facts & Information
Neoprotrachyceras baconicum (Mojsisovics, 1870)
Mollusk (Anolcites barberi) - Facts & Information
Anolcites barberi Smith, 1914
Mollusk (Brotheotrachyceras brotheus) - Facts & Information
Brotheotrachyceras brotheus (Munster, 1834)
Mollusk (Asklepioceras altilis) - Facts & Information
Asklepioceras altilis Tozer, 1994
Mollusk (Sirenites serotinus) - Facts & Information
Sirenites serotinus Tozer, 1994
Mollusk (Pamphagosirenites pacificus) - Facts & Information
Pamphagosirenites pacificus Tozer, 1994
Mollusk (Eoprotrachyceras meeki) - Facts & Information
Eoprotrachyceras meeki (Mojsisovics, 1882)
Mollusk (Trachyceras desatoyense) - Facts & Information
Trachyceras desatoyense Johnston, 1941
Mollusk (Yakutosirenites pentastichus) - Facts & Information
Yakutosirenites pentastichus (Vozin, 1964)
Mollusk (Trachyceras multituberculatum) - Facts & Information
Trachyceras multituberculatum Hsu, 1940
Mollusk (Leconteiceras Smith) - Facts & Information
Leconteiceras Smith, 1914
Mollusk (Sirenites hayesi) - Facts & Information
Sirenites hayesi Smith, 1927
Mollusk (Eoprotrachyceras matutinum) - Facts & Information
Eoprotrachyceras matutinum Tozer, 1980
Mollusk (Protrachyceras sikanianum) - Facts & Information
Protrachyceras sikanianum McLearn, 1930
Mollusk (Diplosirenites Mojsisovics) - Facts & Information
Diplosirenites Mojsisovics, 1893
Mollusk (Spirogmoceras Silberling) - Facts & Information
Spirogmoceras Silberling, 1956
Mollusk (Dittmarites Mojsisovics) - Facts & Information
Dittmarites Mojsisovics, 1893
Mollusk (Anolcites drakei) - Facts & Information
Anolcites drakei Smith, 1914
Mollusk (Arctoarpadites costatus) - Facts & Information
Arctoarpadites costatus (Tozer, 1961)
Mollusk (Meginoceras caurinum) - Facts & Information
Meginoceras caurinum (McLearn, 1947)
Mollusk (Silenticeras bamberi) - Facts & Information
Silenticeras bamberi Tozer, 1994
Mollusk (Haoceras) - Facts & Information
Haoceras
Mollusk (Eoprotrachyceras margaritosum) - Facts & Information
Eoprotrachyceras margaritosum (Mojsisovics, 1882)
Mollusk (Eoprotrachyceras americanum) - Facts & Information
Eoprotrachyceras americanum (Mojsisovics, 1882)
Mollusk (Eoprotrachyceras curionii) - Facts & Information
Eoprotrachyceras curionii (Mojsisovics, 1882)
Mollusk (Sirenotrachyceras Krystyn) - Facts & Information
Sirenotrachyceras Krystyn, 1978
Mollusk (Anolcites rasilis) - Facts & Information
Anolcites rasilis Tozer, 1994
Mollusk (Arctosirenites columbianus) - Facts & Information
Arctosirenites columbianus Tozer, 1994
Mollusk (Anolcites papillatus) - Facts & Information
Anolcites papillatus Tozer, 1994
Mollusk (Asklepioceras Renz) - Facts & Information
Asklepioceras Renz, 1911
Mollusk (Neosirenites) - Facts & Information
Neosirenites
Mollusk (Asklepioceras exilis) - Facts & Information
Asklepioceras exilis Tozer, 1994
Mollusk (Daxatina laubei) - Facts & Information
Daxatina laubei Tozer, 1994
Mollusk (Pamphagosirenites) - Facts & Information
Pamphagosirenites
Mollusk (Eoprotrachyceras Tozer) - Facts & Information
Eoprotrachyceras Tozer, 1980
Mollusk (Okhototrachyceras seimkanense) - Facts & Information
Okhototrachyceras seimkanense (Bychkov, 1973)
Mollusk (Sirenites homfrayi) - Facts & Information
Sirenites homfrayi (Gabb, 1864)