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tetrastichodon Fricke, 1875 †Asteracanthus
tridentinus Zittel, 1870 †Asteracanthus
udulfensis Leuzinger, Cuny,
Popov & Billon-Bruyat, 2017 †Asteracanthus verrucosus...
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phylogenetic placement. The type
species is A. prominens.
Asteracanthus udulfensis Sp. nov
Valid Leuzinger et al. Late Jur****ic (Kimmeridgian) Reuchenette...
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subreticulatus (Ag****iz, 1838) Late Jur****ic (Kimmeridgian) Switzerland; S.
udulfensis (Leuzinger et al., 2017) Late Jur****ic (Kimmeridgian) Switzerland, ?England;...