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Class: CEPHALOPODA
--- Taxon Tree: AMMONOIDEA [Subclass]-AMMONITIDA [Order]-STEPHANOCERATOIDEA [Superfamily]
------ Family: CLYDONICERATIDAE Buckman, 1924 † (Sea) (FOSSIL)
DB counters=13, Genus=5, Subgenus=0, Species=6, Subspecies=1, Synonyms=0, Images=5
DB counters include Fossil taxa: Species=6, Subspecies=1
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blakei, Clydoniceras discus blakei Arkell (FOSSIL)
discus, Clydoniceras discus (Sowerby, 1813) † (FOSSIL)
discus blakei, Clydoniceras discus blakei Arkell † (FOSSIL)
douglasi, Clydoniceras douglasi Arkell, 1951 † (FOSSIL)
micromphalus, Micromphalites micromphalus (Phillips, 1871) † (FOSSIL)
pustuliferum, Micromphalites pustuliferum (Douvillé, 1916) † (FOSSIL)
tegularum, Clydoniceras tegularum Arkell, 1951 † (FOSSIL)
thrapstonense, Clydoniceras thrapstonense Arkell, 1951 † (FOSSIL)
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