Gastropoda - Sorbeoconcha - Ficidae
Alternative spelling: Trophosycon
Parent taxon: Ficus according to A. E. Oleinik and L. Marincovich 2003
See also Addicott 1970 and Sepkoski 2002
Sister taxa: Ficus (Ficus), Ficus affinis, Ficus aligera, Ficus allenmanae, Ficus angustata, Ficus bernardi, Ficus carbasea, Ficus carolina, Ficus carriacouensis, Ficus chehalisensis, Ficus chinguensis, Ficus chiraensis, Ficus colombiana, Ficus communis, Ficus concinnus, Ficus condita, Ficus conditus, Ficus decussata, Ficus distans, Ficus gayana, Ficus gesteri, Ficus gibsonsmithi, Ficus greenwoodi, Ficus harrisi, Ficus huzayeni, Ficus kachhensis, Ficus knowltoni, Ficus lanceolata, Ficus lanzi, Ficus lindae, Ficus lisselonga, Ficus lisselongata, Ficus lucidus, Ficus macrophylla, Ficus mamillata, Ficus maxima, Ficus membranacea, Ficus merita, Ficus microphylla, Ficus mississippiensis, Ficus modesta, Ficus montana, Ficus multiformis, Ficus multinervis, Ficus myricoides, Ficus nervosa, Ficus nexilis, Ficus ovalis, Ficus pamotanensis, Ficus papyratia, Ficus paraensis, Ficus pilsbryi, Ficus posadasensis, Ficus remondii, Ficus rodeoensis, Ficus sinuosa, Ficus spectabilis, Ficus tricarinatus, Ficus variegata, Ficus woodringi, Gonysycon epomis, Pyrula penita, Pirula ficus, Pirula promensis, Pyrula cancellata, Pyrula cochlidium, Pyrula laevigata, Pyrula microtricha, Pyrula pondicherriensis, Pyrula jamesi, Pyrula reticulata, Pyrula micronematica, Pirula menengtengana, Pyrula subcarinata, Pyrula ficoides, Pyrula elegans, Pyrula peruviana, Pyrula nexilis, Pyrula clathrata, Pyrula dussumieri, Pirula (Protopirula), Fusoficula juvenis, Fusoficula angelinensis, Ficopsis hornii, Ficopsis otaria, Ficopsis (Fulguroficus), Ficopsis tuberculata, Ficopsis remondii, Ficopsis furlongi, Ficopsis moharrami, Ficopsis viejoensis, Ficopsis cooperii, Ficopsis meganosensis
Subtaxa: Ficus (Trophosycon) kerniana Trophosycon clallamense Trophosycon ocoyanum
Ecology: epifaunal carnivore
Distribution:
• Pliocene of United States (10: California collections)
• Miocene of United States (7: California, Oregon)
• Oligocene of United States (3: California, Washington)
• Eocene of the Russian Federation (1)
Total: 21 collections each including a single occurrence