ammonites
Nuculana semen Smith 1885 (Seed Nut Clam)

Bivalvia - Protobranchia - Nuculanidae

Alternative combination: Leda semen

Belongs to Nuculana according to P. M. Mikkelsen and R. Bieler 2008

Sister taxa: Nuculana (Dacryomya), Nuculana (Nuculana), Nuculana (Politoleda), Nuculana (Praesaccella), Nuculana (Scaeoleda), Nuculana (Tenuileda), Nuculana (Thestyleda), Nuculana acuta, Nuculana akidota, Nuculana alpina, Nuculana andrewi, Nuculana antarctirostrata, Nuculana asiatica, Nuculana biangulata, Nuculana chapmani, Nuculana coelata, Nuculana coelatella, Nuculana concentrica, Nuculana crassiparva, Nuculana elmana, Nuculana emarginata, Nuculana excavata, Nuculana fluvilutea, Nuculana forcarti, Nuculana fossa, Nuculana gnomon, Nuculana gracillima, Nuculana jamaicensis, Nuculana liciata, Nuculana magna, Nuculana mariae, Nuculana miaocunensis, Nuculana minuta, Nuculana moriyai, Nuculana multilineata, Nuculana orcutti, Nuculana oxia, Nuculana oxyrhyncha, Nuculana parva, Nuculana pernula, Nuculana praeradiata, Nuculana probellula, Nuculana rostellata, Nuculana rostratruncata, Nuculana semicrenulata, Nuculana smithvillensis, Nuculana spheniopsis, Nuculana sphenopsis, Nuculana subquadrata, Nuculana subtrigonalis, Nuculana thompsoni, Nuculana timorensis, Nuculana transversa, Nuculana triangulata, Nuculana trivitate, Nuculana trumani, Nuculana verrilliana, Nuculana vexillata, Nuculana virgo, Nuculana vitrea, Nuculana waterhousei, Nuculana wautebbeana, Nuculana wautubbeana, Nuculana whitmani, Nuculana willetti, Nuculana williamettensis, Leda gabbi, Leda barranca, Leda stewardi, Leda obolella, Leda projecta, Leda (Leda), Leda cochlearella, Leda (Spinula), Leda radiata, Leda lucida, Leda pygmaea, Leda caudata, Leda semistriata, Leda lincolnensis, Crassoleda crassatelloides

Ecology: facultatively mobile infaunal deposit feeder-suspension feeder