Acrolepididae is an extinct family of ray-finned fish. Genera referred to Acrolepididae existed from the Early Carboniferous period to the Early Triassic epoch. They were nektonic carnivores with a fusiform body.
Acrolepididae may be closely related with the Early Mesozoic Ptycholepididae.
Included genera and species Genus Acrolepis Agassiz, 1843 Acrolepis frequens Yankevich, 1996 Acrolepis gigas Frič, 1877 Acrolepis hamiltoni Johnston & Morton, 1890 Acrolepis hopkinsi M'Coy, 1848 Acrolepis hortonensis Dawson, 1868 Acrolepis? laetus Lambe, 1916 [Pteronisculus? laetus] Acrolepis languescens Yankevich, 1996 Acrolepis ortholepis Traquair, 1884 Acrolepis sedgwicki Agassiz, 1843 (type species) Acrolepis semigranulosa Traquair, 1890 Acrolepis tasmanicus Johnston & Morton, 1891 Acrolepis wilsoni Traquair, 1888 Genus Acropholis Aldinger, 1937 Acropholis stensioei Aldinger, 1937 (type species) Genus Challaia Rusconi, 1946 Challaia magna Rusconi, 1949 (type species) Challaia elongata (Cabrera, 1944) Genus Namaichthys Gürich, 1923 Namaichthys digitata (Woodward, 1890) Namaichthys schroederi Gürich, 1923 (type species) Genus Plegmolepis Aldinger, 1937 Plegmolepis groenlandica Aldinger, 1937 Plegmolepis kochi Aldinger, 1937 (type species) Genus Reticulolepis Westoll, 1934 Reticulolepis exsculpta (Kurtze, 1839)
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