The Hassberge Formation is a geologic formation in Bavaria, Germany. It preserves fossils dating back to the Carnian stage of the Triassic period.^[1]

• Apatopus lineatus^[6]

• Geyer, G.; Kelber, K.-P. (2018), "Spinicaudata ("Conchostraca," Crustacea) from the Middle Keuper (Upper Triassic) of the southern Germanic Basin, with a review of Carnian–Norian taxa and suggested biozones", Paläontologische Zeitschrift, 92 (1): 1–34, Bibcode:2018PalZ...92....1G, doi:10.1007/s12542-017-0363-7
• Ponomarenko, A. G.; Prokin, A. A.; Bashkuev, A. S. (2015), "Coptoclavid beetles (Insecta: Coleoptera: Adephaga) from the Triassic of Lower Franconia, Germany", Paleontological Journal, 49 (12): 1334–1345, Bibcode:2015PalJ...49.1334P, doi:10.1134/S0031030115120096
• Fedorenko, D. N (2014), "Wings of Coptoclavidae (Coleoptera, Adephaga) from the Keuper (Triassic) of Franconia, Germany", Paleontological Journal, 48 (6): 605–609, Bibcode:2014PalJ...48..605F, doi:10.1134/S0031030114060069
• Klein, H.; Lucas, S. G. (2013), The Late Triassic tetrapod ichnotaxon Apatopus lineatus (Bock 1952) and its distribution. In L. H. Tanner, J. A. Spielmann, S. G. Lucas (eds.), The Triassic System: New Mexico Museum of Natural History and Science, vol. 61
• Prokin, A. A.; Makarov, K. V.; Ponomarenko, A. G.; Bashkuev, A. S. (2013), "New beetle larvae (Coleoptera: Coptoclavidae, Caraboidea, Polyphaga) from the Upper Triassic of Germany", Russian Entomological Journal, 22: 259–274
• Weiss, W (1934), "Eine Fährtenschicht im mittelfränkischen Blasensandstein - A trackway layer in the middle Franconian Blasensandstein", Jahresberichte und Mitteilungen des Oberrheinischen Geologischen Vereins, Neue Folge, 23: 5–11, doi:10.1127/jmogv/23/1934/5
• Kuhn, O (1932), "Labyrinthodonten und Parasuchier aus dem mittleren Keuper von Ebrach in Oberfranken", Neues Jahrbuch für Mineralogie, Geologie und Paläontologie, 69: 94–144