Genus: Calyptocephalella STRAND, 1928
Etymology: Greek, kalyptos, "covered" and Greek, kephale, , "head."

Species: satan AGNOLIN, 2012
Etymology: Satan: Evil, in order to emphasize the large size and morpohlogy of the new anuran.

Holotype: MML 870

Locality: Cerro Tortuga fossiliferous locality, Museo Municipal de Lamarque, Santa Rosa Basin, Rio Negro Province, Argentina.

Horizon: Allen Formation.

Biostratigraphy:

Age: Late Campanian-Early Maastrichtian Stage, Upper Senonian Sub-epoch, Upper Gulf Epoch, Late Cretaceous.

Material: Right incomplete maxilla.

Referred material:

MML 847: Complete atlas.

MML 848: Complete atlas.

MML 849: Fragmentry left squamosal.

MML 850: resacral vertebral centrum.

MML 851: Incomplete fragmetn of skull roof.

MML 854: Incomplete sacral centrum.

MML 855: Mid-portion of right maxilla.

MML 857: Incomplete left frontoparietal.

MML 858: Incomplete posterior portion of right maxilla.

MML 859: Incomplete right frontoparietal.

MML 860: Incomplete urostyle.

MML 862: Presacral vertebral centrum and incomplete sacrum.

MML 863: Incomplete left maxilla.

MML 864: Incomplete right squamosal.

MML 865: Incomplete right maxilla preserving tooth bases.

MML 866: Right radius-ulna without its distal end.

MML 867: 2 distal ends of right humeri.

MML 868: Fragmentary urostyle.

MML 869: Incomplete right frontoparietal.

MML 872: Incomplete left premaxilla.

MML 875: Complete atlas.

MML 846: Fragmentary sacrum.

 

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