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Echinoidea source details
Tzankov, V. 1934. Échinides fossiles de la Craie supérieur de Bulgarie de Nord. Annuaire del'Université de Sofia 30, 189-233.
169551
Tzankov, V.
1934
chinides fossiles de la Craie supérieur de Bulgarie de Nord. Annuaire del'Universit
de Sofia
30: 189-233
Publication
from Kier & Lawson (1978)
Date action by
Catopygus conformis conoideus Tzankov, 1934 † (original description)
Catopygus conformis var. conoideus Tzankov, 1934 † accepted as Catopygus conformis conoideus Tzankov, 1934 † (original description) Clypeopygus bulgaricus Tzankov, 1934 † (original description) Labrotaxis lamberti Tzankov, 1934 † (original description) Pygurus lampassiformis Tzankov, 1934 † (original description) |