Bivalvia - Protobranchia - Nuculanidae
Alternative spelling: Spinula (Bathyspinula)
Parent taxon: Nuculanidae according to H. G. Spencer et al. 2004
Sister taxa: Acilana, Acutispinula, Australoportlandia, Bathyspinulinae, Calorhadia, Costelloleda, Dacromya, Ezonuculana, Glyptoleda, Hilgardia, Indonuculana, Ledella, Ledellinae, Ledoides, Lembulus, Litorhadia, Mesosaccella, Multidentata, Nuculaninae, Nucundata, Orthoyoldia, Parayoldiella, Phestia, Phestiinae, Polidevcia, Poroleda, Poroledidae, Praeportlandia, Propeleda, Saccella, Scissuladrana, Spineilo, Xiaoschuiculana, Zealeda
Subtaxa: Bathyspinula (Bathyspinula), Spinula (Bathyspinula) oceanica
Type: Spinula (Bathyspinula) oceanica
Ecology: facultatively mobile infaunal deposit feeder-suspension feeder