Acutispinula Filatova and Schileyko 1984 (pointed nut clam)
Bivalvia - Nuculanida - Nuculanidae
PaleoDB taxon number: 89628
Alternative spelling: Bathyspinula (Acutispinula)
Parent taxon: Nuculanidae according to P. M. Mikkelsen 2006
Sister taxa: Acilana, Australoportlandia, Bathyspinula, Calorhadia, Costelloleda, Dacromya, Eleganuculana, Ezonuculana, Hilgardia, Indonuculana, Ledella, Ledellinae, Litorhadia, Mesosaccella, Multidentata, Nuculana, Nuculaninae, Orthoyoldia, Phestia, Polidevcia, Poroleda, Poroledidae, Praeportlandia, Propeleda, Saccella, Scissuladrana, Spineilo, Veteranella, Veteranellinae, Clidophorus
Subtaxa: Bathyspinula (Acutispinula) calcar
Ecology: facultatively mobile infaunal deposit feeder-suspension feeder