ammonites
Saccella balboae Brown and Pilsbry 1911 (pointed nut clam)

Bivalvia - Protobranchia - Nuculanidae

Alternative combination: Leda balboae

Full reference: A. P. Brown and H. A. Pilsbry. 1911. Fauna of the Gatun Formation, Isthmus of Panama. Proceedings of the Academy of Natural Sciencesof Philadelphia 63(2):336-373

Belongs to Saccella according to W. P. Woodring 1973

Sister taxa: Nuculana (Saccella) andrewi, Nuculana (Saccella) arowhana, Nuculana (Saccella) bolivarensis, Nuculana (Saccella) costulata, Nuculana (Saccella) crassatelloides, Nuculana (Saccella) dijki, Nuculana (Saccella) galeottiana, Nuculana (Saccella) hamata, Nuculana (Saccella) nolfi, Nuculana (Saccella) pakistanica, Nuculana (Saccella) pseudoscissurata, Nuculana (Saccella) punjabensis, Nuculana (Saccella) rakhiensis, Nuculana (Saccella) semibistriata, Nuculana (Saccella) silvestris, Nuculana (Saccella) soriensis, Nuculana (Saccella) striata, Nuculana (Saccella) umboniinflata, Nuculana (Saccella) waikohuensis, Saccella acrita, Saccella acuminata, Saccella acuticauda, Saccella canonica, Saccella catasarca, Saccella charanica, Saccella chiriquiana, Saccella davidana, Saccella davilae, Saccella fabalis, Saccella fontinalis, Saccella hokkaidoensis, Saccella incognita, Saccella maxwelli, Saccella miradorana, Saccella ornata, Saccella packardi, Saccella parva, Saccella peltella, Saccella peruviana, Saccella phlyctaena, Saccella quercollis, Saccella semiteres, Saccella subcerata, Saccella vagans, Saccella vulgaris, Saccella westendorpi, Sacella atakta

Type specimen: ANSP (no number), a shell

Ecology: facultatively mobile shallow infaunal deposit feeder

Average measurements (in mm): shell 22.3 x 10.0