Cephalopoda - Ellesmerocerida - Plectronoceratidae
Parent taxon: Ellesmerocerida according to R. E. Crick 1981
See also Flower 1964 and Teichert et al. 1964
Sister taxa: Acaroceratidae, Antacaroceras, Balkoceratidae, Bambusoceras, Bathmoceratidae, Cyptendocerina, Cyrtocerinina, Ellesmeroceratidae, Ellesmeroceratina, Eocyckistomiceras, Eothinoceratidae, Huaiheceratidae, Hunyuenoceras, Parapalaeoceras, Phthanoncoceratidae, Plectronoceratina, Protocycloceratidae, Qiushougouceras, Rudolfoceratidae, Shideleroceratidae, Theskeloceras, Vassaroceras, Xiaoshaoceras
Subtaxa: Eodiaphragmoceras Jiagouceras Lunanoceras Multicameroceras Palaeoceras Plectronoceras Rectseptoceras Ruthenoceras
Ecology: nektobenthic carnivore
Distribution:
• Ordovician of South Korea (1 collection), United States (1: Texas)
• Cambrian of China (1), United States (1: Texas)
Total: 4 collections including 6 occurrences