Cephalopoda - Ceratitida - Khvalynitidae
Full reference: H. Bucher. 1989. Lower Anisian ammonoids from the northern Humboldt Range (northwestern Nevada, USA) and their bearing upon the Lower-Middle Triassic boundary. Eclogae Geologicae Helvetiae 82:945-1002
Belongs to Metadagnoceras according to H. Bucher 1989
Sister taxa: Metadagnoceras freemani, Metadagnoceras motoyoshiense, Metadagnoceras pulchrum, Metadagnoceras rotundum, Metadagnoceras sinense, Metadagnoceras terbunicum, Metadagnoceras tobini, Metadagnoceras unicum
Type specimen: USNM 438310, a shell. Its type locality is Coyote Canyon HB 56, northern Humboldt Range, which is in an Aegean offshore limestone/siltstone in the Prida Formation of Nevada.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 49.8
Distribution: found only at Coyote Canyon HB 56, northern Humboldt Range
Specimen images are retrieved through the ePANDDA API.
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