ammonites
Anadara (Rasia) dariensis Brown and Pilsbry 1911 (ark)

Bivalvia - Arcida - Arcidae

Alternative combinations: Anadara (Scapharca) dariensis, Arca (Diluvarca) dariensis, Arca (Scapharca) dariensis, Arca dariensis

Synonyms: Anadara (Sectiarca) losquemadica Maury 1917, Arca gatunensis Toula 1911, Scapharca losquemadica Maury 1917

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 Anadara (Rasia) according to W. P. Woodring 1973

Sister taxa: Anadara (Rasia) actinophora, Anadara (Rasia) andrewsi, Anadara (Rasia) athroa, Anadara (Rasia) bravardi, Anadara (Rasia) carmenensis, Anadara (Rasia) cercadica, Anadara (Rasia) charcoazulensis, Anadara (Rasia) concinna, Anadara (Rasia) corcupidonis, Anadara (Rasia) cornellana, Anadara (Rasia) costaricensis, Anadara (Rasia) democraciana, Anadara (Rasia) emarginata, Anadara (Rasia) fissicosta, Anadara (Rasia) formosa, Anadara (Rasia) golfoyaquensis, Anadara (Rasia) guayubinica, Anadara (Rasia) honensis, Anadara (Rasia) inaequilateralis, Anadara (Rasia) lienosa, Anadara (Rasia) lita, Anadara (Rasia) medioamericana, Anadara (Rasia) mirandana, Anadara (Rasia) mississippiensis, Anadara (Rasia) sechurana, Anadara (Rasia) springvalensis, Anadara (Rasia) tamarana, Anadara (Rasia) tirantensis, Anadara (Rasia) wiedenmayeri, Anadara (Rasia) zuliana, Rasia arata

Subtaxa: Anadara (Rasia) dariensis progonica

View classification

Type specimens:

  • Anadara (Rasia) dariensis: ANSP (no number), a shell
  • Anadara (Sectiarca) losquemadica:
  • Arca gatunensis:

Ecology: facultatively mobile epifaunal suspension feeder

Average measurements (in mm): 37.0 x 20.0, shell 36.0 x 18.2