Portal:Paleontology/DYK/46

... that the hypothesis that the pachycephalosaurian dinosaurs used their domed skulls in head-butting competitions was first proposed in a work of science fiction?
... that the extinct Protosialis casca is one of only two known alderflies from the West Indies?
... that the extinct ant species Apterostigma electropilosum was described from a solitary fossil in amber?
... that the extinct species Trochodendron drachuckii is known from a single Eocene fossil found near Cache Creek, British Columbia?
... that Protostephanus was the first extinct wasp genus in the family Stephanidae to be described from a fossil?

... that the extinct ant Acanthostichus hispaniolicus is the only Acanthostichus species found in the West Indies?
... that the Miocene ant Acropyga glaesaria is one of the oldest examples of trophobiosis?
...that the barnacle Megabalanus can reach 7 cm in length?
... that a new family of predatory cockroaches, named Manipulatoridae, has been discovered from amber found in the Hukawng Valley of Myanmar?
... that members of the extinct bivalve genus Hemiconcavodonta are unique in the subfamily Concavodontinae in that their teeth point in two directions?