"Palaeocallidium Plavilstshikov, 1940" . _:b76028422 "1137569" . . . . "Palaeocallidium" . "794034" . _:b76028422 . . "1137569" . . _:b76028422 "GBIF id" . . _:b76028422 . "Plavilstshikov, 1940" . . _:b76028422 . "Palaeocallidium" . "Palaeocallidium" . .