pachydactylous
/ˌpakɪˈdaktɪləs/ /ˌpakɪˈdakt(ə)ləs/Palaeontology
adjective
Having thick, fleshy digits; specifically (of an extinct animal known from fossil footprints) having comparatively thick toes; (of a track) made by such an animal.
Origin
Mid 19th century; earliest use found in Edward Hitchcock (1793–1864). From pachy- + -dactylous, after scientific Latin Pachydactyli.