Classification of the genus Hyolithellus
G. †Hyolithellus Billings 1872
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†Hyolithellus decorus Chen 1984
†Hyolithellus filiformis Bengtson et al. 1990
†Hyolithellus grandis Rozanov et al. 1969
†Hyolithellus insolitus Voronin et al. 1982
†Hyolithellus isiticus Rozanov et al. 1969
†Hyolithellus micans Billings 1871
†Hyolithellus papillatus Walcott 1912
†Hyolithellus rectus Missarzhevsky and Mambetov 1981
†Hyolithellus sinuosus Cobbold 1921
†Hyolithellus tenuis Rozanov and Missarzhevsky 1966
†Hyolithellus vitricus Missarzhevsky and Mambetov 1981
†Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
Invalid names: Rhabdochites [synonym]