Lingulata - Siphonotretida - Siphonotretidae
Parent taxon: Siphonotretoidea according to J. Hansen and L. E. Holmer 2011
See also Holmer 1986, Holmer 1989, Popov et al. 2002, Popov and Nolvak 1987, Puura and Holmer 1993, Williams et al. 2000 and Wright 1963
Sister taxa: none
Subtaxa: Acanthambonia Acanthamboniinae Alichovia Celdobolus Chilcatreta Cyrbasiotreta Eosiphonotreta Helmersenia Karnotreta Mesotreta Multispinula Nushbiella Oaxaquiatreta Orbaspina Schizambon Schizamboninae Siphonobolus Siphonotreta Siphonotretella
Type: Siphonotreta
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Australia (1 collection)
• Devonian of the Czech Republic (1)
• Uhaku of Belarus (1), Sweden (4)
• Chazyan of Canada (3: Quebec), United States (5: Alabama, New York, Tennessee)
• Whiterockian of United States (1: Nevada)
• Volkhov of Estonia (3), the Russian Federation (22)
• Klabava of the Czech Republic (1)
• Arenig of United States (2: Nevada)
• Ordovician of Argentina (1), Australia (6), Canada (3: Alberta, Newfoundland, Newfoundland and Labrador), the Czech Republic (3), Estonia (19), Iran (3), Ireland (2), Kazakhstan (3), Latvia (1), Lithuania (2), Mexico (1), Norway (3), the Russian Federation (12), Sweden (15), the United Kingdom (2), United States (22: Illinois, Iowa, Maine, Minnesota, Montana, North Dakota, Ohio, Oklahoma, Tennessee, Utah, Virginia)
• Tremadoc of the Czech Republic (3), Iran (1), Poland (1), United States (2: Montana)
• Skullrockian of United States (1: Utah)
• Cambrian of the Czech Republic (1), Estonia (1), France (1), Iran (2), Kazakhstan (2), Mexico (4), United States (2: Montana, Utah)
Total: 163 collections including 180 occurrences