Hyolitha - Orthothecida - Circothecidae
Synonym: Conotheca laurentiensis Landing and Bartowski 1996
Full reference: S. Bengtson, S. Conway Morris, B. J. Cooper, P. A. Jell, and B. N. Runnegar. 1990. Early Cambrian fossils from South Australia. Association of Australasian Palaeontologists 9:1-364
Belongs to Conotheca according to J. M. Malinky and C.B. Skovsted 2004
See also Bengtson et al. 1990, Gravestock et al. 2001, Landing and Bartowski 1996 and Qian et al. 2001
Sister taxa: Conotheca brevica, Conotheca circumflexa, Conotheca corniformis, Conotheca curta, Conotheca dahaiensis, Conotheca mammilata, Conotheca ningqiangensis, Conotheca rotunda, Conotheca shennongjiaensis, Conotheca subcurvata
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cambrian of Australia (18 collections), Canada (10: Nova Scotia, Quebec), Greenland (12), Turkey (1), United States (6: New York, Pennsylvania)
Total: 47 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.