Archive image from page 151 of Die stämme der wirbeltiere (1919). Die stämme der wirbeltiere diestmmederwir00abel Year: 1919 Fig. 91. Trygon uarnak (F. Trygonidae). Holozän. P. = Pectoralis. V. = Ventralis. St. = Dorsalflossenstachel. Fig. 92. Pteroplatea altavela (F. Trygonidae). — Holozän. = Pectoralis. V. = Ventralis. St. = Dorsalflossenstachel.

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