The present 3D Dataset contains the 3D models of the holotype and only specimen of Kalakocetus aurorae, a new cetacean retrieved from the Kalakot area in northwestern India. This specimen consists in a left hemimandible preserving the root of i3, p2, p4, m1 and m3 in situ. Its primitive morphology, with a tricuspid m3 morphologically intermediate between Raoellidae and Pakicetidae, makes it the first offshoot of Cetacea and provides crucial new elements to understand the setting up of the peculiar dental morphology of early cetaceans.
  

Kalakocetus aurorae GU/RJ/07 View specimen

	M3#1803 left hemi mandible with p2, p4, m1, m3 Type: "3D_surfaces" doi: 10.18563/m3.sf.1803   state:in_press	Download 3D surface file
	M3#1804 digitaly restored m1 Type: "3D_surfaces" doi: 10.18563/m3.sf.1804   state:in_press	Download 3D surface file
	M3#1805 digital restoration of complete mandible Type: "3D_surfaces" doi: 10.18563/m3.sf.1805   state:in_press	Download 3D surface file
	M3#1810 Scan Type: "3D_CT" doi: 10.18563/m3.sf.1810   state:in_press	Download CT data

The present 3D Dataset contains the 3D models of Protocetus atavus described and figured in the following publication: Berger et al. (2025) The endocranial anatomy of Protocetids and its implications for early whale evolution.
  

Protocetus atavus SMNS-P-11084 View specimen

	M3#1654 Textured model of the whole skull Type: "3D_surfaces" doi: 10.18563/m3.sf.1654   state:published	Download 3D surface file
	M3#1655 Brain endocast Type: "3D_surfaces" doi: 10.18563/m3.sf.1655   state:published	Download 3D surface file

The present 3D dataset contains 3D models of the endocranial cast of the raoellid Khirtharia inflata retrieved from the middle Eocene of the Upper Subathu Formation in the Kalakot area (India). Raoellidae are closely related to stem cetaceans and bring crucial information to understand the earliest phase of land to water transition in Cetacea. 

Khirtharia inflata GU/RJ/197 View specimen

	M3#1608 labeled cast of the endocranial cavity Type: "3D_surfaces" doi: 10.18563/m3.sf.1608   state:published	Download 3D surface file
	M3#1609 endocast and associated sinuses Type: "3D_surfaces" doi: 10.18563/m3.sf.1609   state:published	Download 3D surface file

The present 3D Dataset contains the 3D model of the skull of the raoellid Indohyus indirae described in Patel et al. 2024.
  

Indohyus indirae RR 207 View specimen

M3#1259 dorsoventrally crushed skull Type: "3D_surfaces" doi: 10.18563/m3.sf.1259   state:published

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Indohyus indirae RR 601 View specimen

M3#1268 dorsoventrally crushed skull Type: "3D_surfaces" doi: 10.18563/m3.sf.1268   state:published

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In this work, we digitally restore the snout of the raoellide Khirtharia inflata from the Kalakot area (Rajouri District, Jammu & Kashmir, India). Raoellids are small, semiaquatic ungulates closely related to cetaceans. The specimen is fairly complete and preserves left and right maxillaries, left premaxillary, and part of the anterior and jugal dentition. The digital restoration of this quite complete but deformed specimen of Khirtharia inflata is a welcome addition to the data available for raoellids and will be used to further the understanding of the origins of cetaceans.
  

Khirtharia inflata GU/RJ/157 View specimen

	M3#1454 deformed partial skull Type: "3D_surfaces" doi: 10.18563/m3.sf.1454   state:published	Download 3D surface file
	M3#1455 reconstruction of half snout Type: "3D_surfaces" doi: 10.18563/m3.sf.1455   state:published	Download 3D surface file
	M3#1456 reconstruction of complete snout Type: "3D_surfaces" doi: 10.18563/m3.sf.1456   state:published	Download 3D surface file

The present 3D Dataset contains the 3D models analyzed in Benites-Palomino A., Velez-Juarbe J., Altamirano-Sierra A., Collareta A., Carrillo-Briceño J., and Urbina M. 2022. Sperm whales (Physeteroidea) from the Pisco Formation, Peru, and their Trophic role as fat-sources for Late Miocene sharks.
  

Scaphokogia cochlearis MUSM 978 View specimen

M3#977 juvenile Scaphokogia cochlearis Type: "3D_surfaces" doi: 10.18563/m3.sf.977   state:published

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The present 3D Dataset contains the 3D models of the endocranial cast of two specimens of Indohyus indirae described in the article entitled “The endocranial cast of Indohyus (Artiodactyla, Raoellidae): the origin of the cetacean brain” (Orliac and Thewissen, 2021). They represent the cast of the main cavity of the braincase as well as associated intraosseous sinuses.
  

Indohyus indirae RR 207 View specimen

M3#710 cast of the main endocranial cavity and associated intraosseous sinuses Type: "3D_surfaces" doi: 10.18563/m3.sf.710   state:published

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Indohyus indirae RR 601 View specimen

M3#711 casts of the main endocranial cavity Type: "3D_surfaces" doi: 10.18563/m3.sf.711   state:published

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The present 3D Dataset contains the 3D model analyzed in Vautrin et al. (2019), Palaeontology, From limb to fin: an Eocene protocetid forelimb from Senegal sheds new light on the early locomotor evolution of early cetaceans. 

?Carolinacetus indet. SNTB 2011-01 View specimen

M3#398 3D model of an articulated forelimb of a Carolinacetus-like protocetid from Senegal Type: "3D_surfaces" doi: 10.18563/m3.sf.398   state:published

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