. College collection of palaeontology. CEPHALOPODA. 1U5 No. 232. Trigonellites (aptychus) latus, Fnvk. These objects were described by Meyer as bi- valve shells, under the name Aptychus, and by Deslongchamps under the name Munsteria. d'Orbignj' and Pictet regard them as Cirripedes. Deshayes considers them the gizzards of Am- monites; Coquandcompares them with Teudopsis; Ruppell, Voltz, Quenstedt and Zieten, regard them as the opercula of Ammonites. Woodward, Owen and the majority of English geologists are of this last opinion, specimens having occasionally occurred in which the aperture of the
. College collection of palaeontology. CEPHALOPODA. 1U5 No. 232. Trigonellites (aptychus) latus, Fnvk. These objects were described by Meyer as bi- valve shells, under the name Aptychus, and by Deslongchamps under the name Munsteria. d'Orbignj' and Pictet regard them as Cirripedes. Deshayes considers them the gizzards of Am- monites; Coquandcompares them with Teudopsis; Ruppell, Voltz, Quenstedt and Zieten, regard them as the opercula of Ammonites. Woodward, Owen and the majority of English geologists are of this last opinion, specimens having occasionally occurred in which the aperture of the shell was closed by the Aptychus. The name Tri(/onellites was given by Parkinson in 1811. This specimen consists of two pairs, showing both sides. From the Lithographic Limestone (Middle Oolite), Solenhofen, No. 233. [550, Cast]. Crioceras Leveille. On pedestal. The original of this specimen was brought by Humboldt from the Lower Cretaceous at Santa Fe de Bogata, S. A. Size, 12 x Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ward's Natural Science Establishment, inc. Rochester
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1900, bookyear1901
