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Class: GASTROPODA
--- Taxon Tree: ORTHOGASTROPODA [Subclass]-MURCHISONIINA [Order]-MURCHISONIOIDEA [Superfamily]
------ Family: PTYCHOCAULIDAE Mazaev, 2011 † (Sea) (FOSSIL)
DB counters=31, Genus=6, Subgenus=0, Species=20, Subspecies=1, Synonyms=3, Images=1
DB counters include Fossil taxa: Species=20, Subspecies=1
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alpina, Barroisocaulus davyi alpina Spitz (FOSSIL)
approximans, Ptychocaulus approximans Perner, 1907 † - syn of: Ptychocaulus verneuili (Koken, 1889) † (FOSSIL)
asiatica, Barroisocaulus asiatica Gubanov & al., 1995 † (FOSSIL)
bauerae, Vetotuba bauerae (Cook, 1994) † (FOSSIL)
bivittata, Ptychocaulus bivittata (Hall, 1852) † (FOSSIL)
brazieri, Vetotuba brazieri Etheridge jr., 1890 † (FOSSIL)
brevicona, Ptychocaulus brevicona Perner, 1907 † - syn of: Ptychocaulus verneuili (Koken, 1889) † (FOSSIL)
contracta, Medfracaulus contracta (Perner, 1907) † (FOSSIL)
cooki, Medfracaulus cooki Rohr & al., 2003 † (FOSSIL)
crumena, Ptychocaulus crumena Perner, 1907 † (FOSSIL)
davyi, Barroisocaulus davyi (Barrois, 1889) † (FOSSIL)
davyi alpina, Barroisocaulus davyi alpina (Spitz, 1907) † (FOSSIL)
floridensis, Gasconadia floridensis (Cleland, 1900) † (FOSSIL)
kayseri, Barroisocaulus kayseri (Spitz, 1907) † (FOSSIL)
magna, Ptychocaulus magna Karczewski, 1980 † (FOSSIL)
mohawkensis, Gasconadia mohawkensis (Cleland, 1900) † (FOSSIL)
oliveri, Barroisocaulus oliveri Gubanov & al., 1995 † (FOSSIL)
putilla, Gasconadia putilla (Sardeson, 1896) † (FOSSIL)
rodneyi, Ptychocaulus rodneyi Rohr, 1980 † (FOSSIL)
sana, Medfracaulus sana (Barrande, 1907) † (FOSSIL)
semiornata, Barroisocaulus semiornata (Spitz, 1907) † (FOSSIL)
sinelnikovae, Medfracaulus sinelnikovae Mazaev, 2016 † (FOSSIL)
turriformis, Medfracaulus turriformis (Chernyshev, 1893) † (FOSSIL)
verneuili, Ptychocaulus verneuili (Koken, 1889) † (FOSSIL)
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