fordilla造句

• Possible early bivalves include " Pojetaia " and " Fordilla "; these probably lie in the stem rather than crown group.
• In contrast to " Fordilla " the rear adductor muscle was larger and more developed then the front adductor, with pallial muscles arranged along the valve margins.
• Also in contrast to " Fordilla ", valves of " Pojetaia " possess between one and three teeth, with up to two teeth per valve.
• In contrast to " Fordilla ", the rear adductor muscle was larger and more developed than the front adductor, with pallial muscles arranged along the valve margins.
• The inner shell layers of " Fordilla " and " Pojetaia " species both consist of layers of carbonate, which is akin to the laminar aragonite layer found in extant monoplacophora.
• The genus is closely related to " Anabarella ", with which it bears many morphological similarities, including a laminar internal shell microstructure said to connect it with the early bivalves " Fordilla " and " Pojetaia ".
• Similar to " Fordilla ", species of " Pojetaia " are small, with valves to less than in length . " Pojetaia " species have an overall shape which is suboval, with the subequal valves slightly elongated.
• This superfamily includes the earliest confirmed crown group bivalves to have been described . " Camya " is one of only four accepted bivalve genera to have been described from the Cambrian, the other three being " Fordilla ", " Pojetaia ", and " Tuarangia ".
• Euprotobranchia includes the earliest confirmed crown group bivalves to have been described, with " Tuarangia " being one of only four accepted bivalve genera to have been described from the Cambrian, the other three being " Fordilla ", " Pojetaia ", and " Camya ".