Catalog / transition Ambulocetus holotype locomotor mosaic Partial skeleton H-GSP 18507 combines large weight-bearing limbs with a vertebral and hind-limb morphology used to model amphibious swimming.
Cetartiodactyl Context and Cetaceans Automated data audit passed Maintainer review not performed External expert review not performed
Automated checks cover structure, identifiers, translations and links only; maintainer and external expert review are not complete.
Represented range 48–47 Ma
Regions Kuldana Formation, Kala Chitta Hills, Punjab, Pakistan
Clades Ambulocetus natans · Ambulocetidae · Cetacea
Claim ledger event-mechanism · medium Ambulocetus holotype H-GSP 18507 preserves a partial skeleton with an amphibious locomotor mosaic; otter-like swimming and sea-lion-like movement on land are functional hypotheses rather than preserved behaviour.
claim:event:ambulocetus-holotype-locomotion