Genus: Diopecephalus SEELEY, 1871
Etymology: Greek, di, '"two," Greek, ope, "opening," and Greek, kephale, "head" + us.

Species: kochi (WAGNER, 1837) SEELEY, 1871
Etymology: In honor of Herrn Forstrathe (forset official?) Koch in Regensburg.
= Ornithocephalus kochi WAGNER, 1837
= Pterodactylus kochi (WAGNER, 1837) WAGLER bei WAGNER, 1837, MEYER, 1860
= Germanodactylus kochi (WAGNER, 1837) YOUNG, 1964

Holotype: BSP AS XIX 3, SMF R 404 (part and counter part)(example 23 of Wellnhofer, 1970).

Locality: Kelheim, Bayern (Bavaria) State, Germany.

Horizon: Lithographic limestone, Mörnsheimer Limestone, Malm Zeta 3.

Biostratigraphy:

Age: Upper Lower Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: Skull and skeleton.

After Wellnhofer, 1970 (juvenile no. 9)

After Wellnhofer, 1970 (juvenile no. 9)

After Wellnhofer, 1970 (juvenile no. 9)

Referred material:

LYDEKKER 1888

BMNH 37360: Skull and fragmentary skeleton.

BSPHGM 1937 I 18: Skull and skeleton.

VIDOVIC & MARTILL, 2018

NHM UK PV R 3949, OUMNH JZ 1609: Part and counterpart of an immature speciman.

Private specimen:

= Pterodactylus cf. kochi TISCHLINGER & FREY, 2015

Locality: Painten, Bavaria State, Germany.

Horizon: Solnhofen.

Biostratigraphy:

Age: Late Kimmeridgian Stage, Malm Epoch, Late Jurassic.

Material: