Lingulata - Siphonotretida - Siphonotretidae
Full reference: C. D. Walcott. 1884. Paleontology of the Eureka district. United States Geological Survey Monograph 8(8):1-298
Parent taxon: Siphonotretidae according to L.E. Popov et al. 2002
See also Raymond 1911, Sepkoski 2002 and Williams et al. 2000
Sister taxa: Acanthambonia, Acanthamboniinae, Alichovia, Celdobolus, Chilcatreta, Cyrbasiotreta, Eosiphonotreta, Helmersenia, Karnotreta, Mesotreta, Multispinula, Nushbiella, Oaxaquiatreta, Orbaspina, Schizamboninae, Siphonobolus, Siphonotreta, Siphonotretella
Subtaxa: Schizambon cuneatus Schizambon duplicimuratum Schizambon typicalis
Type: Schizambon typicalis
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Whiterockian of United States (1: Nevada collection)
• Chazyan of Canada (3: Quebec), United States (4: Alabama, New York)
• Arenig of United States (2: Nevada)
• Ordovician of Sweden (3), United States (20: Illinois, Iowa, Minnesota, Montana, North Dakota, Ohio, Oklahoma, Tennessee, Utah, Virginia)
• Tremadoc of United States (2: Montana)
• Skullrockian of United States (1: Utah)
• Cambrian of France (1), Kazakhstan (2), United States (2: Montana, Utah)
Total: 41 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.