[suh-rat-uh-duhs, ser-uh-toh-duhs]
noun, plural ceratoduses.
a lungfish of either of two genera, Ceratodus or Neoceratodus, having hornlike ridges on the teeth.
Compare barramunda.

1870–75; < Neo-Latin, equivalent to cerat- cerat- + -odus < Greek odoús tooth

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ceratodus (sɪˈrætədəs, ˌsɛrəˈtəʊdəs)
n , pl -duses
Compare barramunda any of various extinct lungfish constituting the genus Ceratodus, common in Cretaceous and Triassic times
[C19: New Latin, from cerato- + Greek odous tooth]

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