... a simple prismatic outer shell layer observed in the Halobioidea is consistent with placement within the Pectinoida or Pterioida, an inner nacreous layer is more consistent with a pterioid affinity, as most possible pectinoid ancestors have, by Middle Triassic time, already evolved aragonitic crossed...

... Foothills, British Columbia : Geological Survey of Canada Memoir 311 , p.. 1 – 169 . McRoberts , C. A. , 2000 , A primitive Halobia (Bivalvia Halobioidea) from the Triassic of northeastern British Columbia : Journal of Paleontology , 74 . 599 – 603 . Montanaro-Gallitelli , E...

... ] Suborder Pteriina Newell, 1965 [emend. Waller, 1978 ] Superfamily Halobioidea Campbell, 1994 Family Halobiidae Kittl, 1912 [emend. Campbell, 1994 ] Genus Enteropleura Kittl, 1912 Due to few published accounts and a temporal duration restricted to the middle Anisian...

..., Waller (in Waller and Stanley, 2005 ) considered the superfamily Halobioidea Campbell, 1994 to be unwarranted. Waterhouse (2008) , however, used Halobioidea as a superfamily uniting the Halobidae Kittl, 1912 and (elevating the Clarainae to familial rank) the Claraiidae Gavrilova, 1996 . This union...