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The microscopic anatomy of the caudal appendage of the spotted eagleray, Aëtobatus narinari (Euphrasen), with special reference to the venom apparatus. The Anatomical Record, 115(1), 87–99
DOI: 10.1002/ar.1091150108
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A preliminary report on the venom apparatus of the bat-ray, Holorhinus californicus. Copeia, 1950(3), 165–175