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STETHACANTHIDAE

Stethacanthidae

Extinct family of cartilaginous fishes

Stethacanthidae is an extinct family of prehistoric sharks. It is estimated to have existed approximately between 380 and 300 million years ago. Members

Stethacanthidae

Stethacanthus

Extinct genus of cartilaginous fishes

or been used to frighten potential predators. Like other members of Stethacanthidae, Stethacanthus had unique pelvic girdles, single-crowned and non-growing

Stethacanthus

Timeline of fish evolution

Evolution of fish

fishes (holocephalian, relative of modern ratfishes) of the family Stethacanthidae, which possessed a flat brush-like dorsal fin with a patch of denticles

Timeline of fish evolution

Timeline_of_fish_evolution

Akmonistion

Extinct genus of cartilaginous fishes

Phylum: Chordata Class: Chondrichthyes Order: †Symmoriiformes Family: †Stethacanthidae Genus: †Akmonistion Species: †A. zangerli Binomial name †Akmonistion

Akmonistion

Symmoriiformes

Extinct order of cartilaginous fishes

(sensu Maisey, 2007) Families and genera Dwykaselachus Ferromirum Gutturensis Kawichthys Ozarcus Cladoselachidae? Symmoriidae Falcatidae Stethacanthidae

Symmoriiformes

Bear Gulch Limestone

Paleontological site in Montana, USA

S2CID 84238164. Lund, Richard (1984-01-01). "On the spines of the Stethacanthidae (Chondrichthyes), with a description of a new genus from the Mississippian

Bear Gulch Limestone

Bear_Gulch_Limestone

2010 in paleoichthyology

(Pennsylvanian) United States A member of Symmoriiformes, possibly a member of Stethacanthidae; a species of Denaea. Denaea williamsi Valid Ginter Hansen Carboniferous

2010 in paleoichthyology

2010_in_paleoichthyology