|Named By:||Othniel Charles Marsh in 1877|
|Time Period:||Early Eocene|
|Location:||USA, Wyoming - Green River Formation|
|Size:||Up to 90 centimetres long|
|Classification:||| Chordata | Chondrichthyes | Myliobatiformes | Dasyatidae ||
|Also known as:||| Dasyatis | Palaeodasybatis discus | Xiphotrygon acutidens | Xyphotrygus ||
Heliobatis is an extinct genus of ray in the Myliobatiformes family Dasyatidae. At present the genus contains the single species Heliobatis radians.
The genus is known primarily from the Early Eocene, Wasatchian stage, Fossil Lake deposits. Fossil Lake is part of the Green River Formation in southwest Wyoming. Heliobatis is one of only two known rays to have been found in the Green River formation; the other species, Asterotrygon maloneyi, was only recognized and described in 2004.