rhipidistian
/ˌrɪpɪˈdɪstɪən/Palaeontology
adjective
Of or relating to the group Rhipidistia of extinct lobe-finned fishes, known from fossil remains of the Devonian, Carboniferous, and early Permian periods, and now usually regarded as the ancestors of all tetrapods.
- The rhipidistians have traditionally been regarded as crossopterygians. The taxon is now seen as paraphyletic, probably representing the crown group of all higher vertebrates..
noun
A rhipidistian fish.
Origin
Early 20th century; earliest use found in Annals of the New York Academy of Science. From scientific Latin Rhipidistia, group name (E. D. Cope 1887, in Amer. Naturalist 211017; from ancient Greek ῥιπίδ-, ῥιπίς fan + ἱστίον sail + scientific Latin -a) + -an.
- pentaspast
- pentastich
- pentastichous
- Pentastoma
- pentastome
- pentastomid
- pentastyle
- pentasyllabic
- pentasyllabism
- pentasyllable
- Pentateuch
- Pentateuchal
- pentathionate
- pentathionic acid
- pentathlete
- pentathletical
- pentathlon
- pentathol
- pentatomic
- pentatomid
- pentatomine
- pentatomoid
- pentatone
- pentatonic
- pentatonically