deltidiodont

1. not comparablebiologySimple in shape, not interlocking with the dental socket.

   The deltidiodont morphology did not survive the end-Permian extinctions; the modern articulated brachiopod fauna is dominated by cyrtomatodonts with crurae and loops.

   2001, David Harper, Rong Jia-Yu, “Palaeozoic brachiopod extinctions, survival and recovery”, in Geological Journal, volume 36, page 317

   1 more example

   The orthide billingsellaceans with their strophic hinge lines, deltidiodont dentition and invariably calcareous shells, comprise two families which, although morphologically similar, have a fundamentally different style of shell secretion, reflected in their various descendants.

   1979, Michael Robert House, The Origin of Major Invertebrate Groups, page 235

   Antonyms: cyrtomatodont

plural deltidiodonts

1. biologyA simple hinge tooth on the shell of a brachiopod.
2. A shell or organism with such dentition.