"1210-3527" . "Mode of life of some Silurian and Devonian platyceratids" . . "8"^^ . "135" . "Bulletin of the Czech geological survey" . "Mode of life of some Silurian and Devonian platyceratids" . . . "1"^^ . . "CZ - \u010Cesk\u00E1 republika" . "1"^^ . . "75" . "Mode of life of some Silurian and Devonian platyceratids"@en . "RIV/00023272:_____/00:NMPM1027" . "Horn\u00FD, Radvan Jan" . . . "The shell morphology proves that various Silurian and Devonian platyceratids lived, besides crinoid calyces, on various objects lying on the sea bottom including shells of orthoconic nautiloids. Several specimens possessing muscle scars are described."@en . . . "717656" . "[29575C16CA70]" . . "2" . . . . . . "Z(MK0CEZ99F0201)" . "shell morphology; muscle scars; platiceratids; Silurian; Devonian; orthoconic nautiloids"@en . "Mode of life of some Silurian and Devonian platyceratids"@en . "RIV/00023272:_____/00:NMPM1027!RIV/2001/MK0/F02001/N" . . "The shell morphology proves that various Silurian and Devonian platyceratids lived, besides crinoid calyces, on various objects lying on the sea bottom including shells of orthoconic nautiloids. Several specimens possessing muscle scars are described." . "Horn\u00FD, Radvan Jan" . .