. Die stämme der wirbeltiere. Evolution; Paleontology; Vertebrates. Fig. 91. Trygon uarnak (F. Trygonidae). Holozän. P. = Pectoralis. V. = Ventralis. St. = Fig. 92. Pteroplatea altavela (F. Trygonidae). — Holozän. = Pectoralis. V. = Ventralis. St. = 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 Abel, Othenio, 1875-1946. Berlin W. de Gruyter

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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectpaleontology