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Gesner, J. (1758). Tractatus physicus de petrificatis in duas partes distinctus, quarum prior agit de petrificatorum differentiis, & eorum varia origine; altera vero de petrificatorum variis originibus, praecipuarumque telluris mutationum testibus. Haak, Lugduni Batavorum, 136 pp.
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Gesner, J.
1758
Tractatus physicus de petrificatis in duas partes distinctus, quarum prior agit de petrificatorum differentiis, & eorum varia origine; altera vero de petrificatorum variis originibus, praecipuarumque telluris mutationum testibus
Haak, Lugduni Batavorum, 136 pp.
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nomenclatural acts in this work not available, work placed on the Official Index by Opinion 230
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Buccinites Gesner, 1758 (original description)
Chamites Gesner, 1758 (original description (unavailable nomenclaturally))
Orthoceratites Gesner, 1758 † accepted as Orthoceras Bruguière, 1789 † (original description)
Chamites Gesner, 1758 (original description (unavailable nomenclaturally))
Orthoceratites Gesner, 1758 † accepted as Orthoceras Bruguière, 1789 † (original description)
