Fig. 4 in An Early Triassic gladius associated with soft tissue remains from Idaho, USA-a squid-like coleoid cephalopod at the onset of Mesozoic Era

Fig. 4. Coleoid cephalopod Idahoteuthis parisiana Doguzhaeva and Brayard gen. et sp. nov. (holotype, UBGD 30545); middle Olenekian, Early Triassic; Idaho, USA; arm-hooks in the stomach. A. A well exposed arm-hook with deformed shaft and a broken distal end of the basement, tip not exposed; another arm-hook less visible and fractured. B. Three deformed arm-hooks. C. A deformed arm-hook showing a depression along the compressed shaft. Abbreviations: h, arm-hook; i, ink sheet-like patch.