Callimachus Walvisteuthis, the stubby hook squids, is a genus of squid in the family Onychoteuthidae.

[2] The genus contains four species.

[1] They are characterised by possessing oval fins which are not drawn-out posteriorly, the gladius has elongated-rhomboid vanes and a short, blunt rostrum which is perpendicular to tip of gladius, the gladius is visible beneath skin at the dorsal midline and they only have primary occipital folds.

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