This contribution contains the 3D model described and figured in the following publication: Billet G., Germain D., Ruf I., Muizon C. de, Hautier L. 2013. The inner ear of Megatherium and the evolution of the vestibular system in sloths. Journal of Anatomy 123:557-567, DOI: 10.1111/joa.12114. 

Megatherium americanum MNHN.F.PAM276 View specimen

M3#14 This model corresponds to a virtually reconstructed bony labyrinth of the right inner ear of the skull MNHN-F-PAM 276, attributed to the extinct giant ground sloth Megatherium americanum. The fossil comes from Pleistocene deposits at Rio Salado (Prov. Buenos Aires, Argentina). The bony labyrinth of Megatherium shows semicircular canals that are proportionally much larger than in the modern two-toed and three-toed sloths. The cochlea in Megatherium shows 2.5 turns, which is a rather high value within Xenarthra. Overall, the shape of the bony labyrinth of Megatherium resembles more that of extant armadillos than that of its extant sloth relatives. Type: "3D_surfaces" doi: 10.18563/m3.sf14   state:published

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This contribution contains the 3D model described and figured in the following publication: Ramdarshan A., Orliac M.J., 2015. Endocranial morphology of Microchoerus erinaceus (Euprimates, Tarsiiformes) and early evolution of the Euprimates brain. American Journal of Physical Anthropology. doi: 10.1002/ajpa.22868

  

Microchoerus erinaceus UM-PRR1771 View specimen

	M3#15 Labelled 3D model of the endocranial cast and sinuse of Microchoerus erinaceus. Type: "3D_surfaces" doi: 10.18563/m3.sf15   state:published	Download 3D surface file
	M3#1303 50µm voxel size µCT scan of the cranium of UM PRR1771 Type: "3D_CT" doi: 10.18563/m3.sf.1303   state:published	Download CT data

This contribution contains the 3D model described and figured in the following publication: Albino, A., Carrillo-Briceño, J. D. & Neenan, J. M. 2016. An enigmatic aquatic snake from the Cenomanian of northern South America. PeerJ 4:e2027 http://dx.doi.org/10.7717/peerj.2027 

Lunaophis aquaticus MCNC-1827-F View specimen

M3#116 Articulated precloacal vertebrae of Lunaophis aquaticus Type: "3D_surfaces" doi: 10.18563/m3.sf.116   state:published

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The present 3D Dataset contains the 3D models analyzed in Costeur L., Mennecart B., Müller B., Schulz G., 2016. Prenatal growth stages show the development of the ruminant bony labyrinth and petrosal bone. Journal of Anatomy. https://doi.org/10.1111/joa.12549 

Bos taurus NMB3038 View specimen

M3#124 Right bony labyrinth of a Bos taurus foetus (gestational age 115 days) Type: "3D_surfaces" doi: 10.18563/m3.sf.124   state:published

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Bos taurus NMB3367 View specimen

M3#125 Right bony labyrinth of a Bos taurus foetus (gestational age 165 days) Type: "3D_surfaces" doi: 10.18563/m3.sf.125   state:published

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Bos taurus NMB3365 View specimen

M3#126 Right bony labyrinth of a Bos taurus foetus (gestational age 210 days) Type: "3D_surfaces" doi: 10.18563/m3.sf.126   state:published

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Bos taurus NMB2855 View specimen

M3#127 Right bony labyrinth of a Bos taurus foetus (gestational age 260 days) Type: "3D_surfaces" doi: 10.18563/m3.sf.127   state:published

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Bos taurus NMB1037 View specimen

M3#128 Left bony labyrinth of an adult Bos taurus Type: "3D_surfaces" doi: 10.18563/m3.sf.128   state:published

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Here, the semicircular canals of the most aquatic seal, the rare Antarctic Ross Seal (Ommatophoca rossii), are presented for the first time, along with representatives of every species in the Lobodontini: the leopard seal (Hydrurga leptonyx), Weddell seal (Leptonychotes weddellii), and crabeater seal (Lobodon carcinophagus). Because encounters with wild Ross seal are rare, and few specimens are available in collections worldwide, this dataset increases accessibility to a rare species. For further comparison, we present the bony labyrinths of other carnivorans, the elephant seal (Mirounga leonina), harbor seal (Phoca vitulina), walrus (Odobenus rosmarus), South American sea lion (Otaria byronia). 

Odobenus rosmarus MVZ 125566 View specimen

M3#173 Surface of the semicircular canals and cochlea of the walrus, Odobenus rosmarus Type: "3D_surfaces" doi: 10.18563/m3.sf.173   state:published

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Phoca vitulina UZNH 17973 View specimen

M3#174 Endocast surface of the semicircular canals and cochlea of the harbor seal, Phoca vitulina. Type: "3D_surfaces" doi: 10.18563/m3.sf.174   state:published

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Hydrurga leptonyx MLP 14.IV.48.11 View specimen

M3#285 Endocast surface of the semicircular canals and cochlea of the leopard seal, Hydrurga leptonyx. Type: "3D_surfaces" doi: 10.18563/m3.sf.285   state:published

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Leptonychotes weddellii IAA 02-13 View specimen

M3#288 Endocast surface of the semicircular canals and cochlea of the Weddell seal Leptonychotes weddellii. Type: "3D_surfaces" doi: 10.18563/m3.sf.288   state:published

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Lobodon carcinophagus IAA 530 View specimen

M3#286 Endocast surface of the semicircular canals and cochlea of the crabeater seal, Lobodon carcinophagus. Type: "3D_surfaces" doi: 10.18563/m3.sf.286   state:published

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Ommatophoca rossii MACN 48259 View specimen

M3#176 Endocast surface of the semicircular canals and cochlea of the Ross seal Ommatophoca rossii. Type: "3D_surfaces" doi: 10.18563/m3.sf.176   state:published

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Mirounga leonina IAA 03-5 View specimen

M3#287 Right endocast surface of the semicircular canals and cochlea of the elephant seal, Mirounga leonina. Type: "3D_surfaces" doi: 10.18563/m3.sf.287   state:published

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The present 3D Dataset contains the 3D model analyzed in the following publication: Solé et al. (2018), Niche partitioning of the European carnivorous mammals during the paleogene. Palaios. https://doi.org/10.2110/palo.2018.022 

Hyaenodon leptorhynchus FSL848325 View specimen

M3#336 The specimen FSL848325 is separated in two fragments: the anterior part bears the incisors, the deciduous and permanent canines, while the posterior part bears the right P3, P4, M1 and M2. The P2 is isolated. When combined, the cranium length is approximatively 10.5 cm long. The anterior part is 6.9 cm long and 2.15 cm wide (taken at the level of the P1). The posterior part is 4.8 cm long. The anterior part of the cranium is very narrow. Type: "3D_surfaces" doi: 10.18563/m3.sf.336   state:published

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The present 3D Dataset contains the 3D models analyzed in the article entitled "One skull to rule them all? Descriptive and comparative anatomy of the masticatory apparatus in five mice species based on traditional and digital dissections" (Ginot et al. 2018, Journal of Morphology, https://doi.org/10.1002/jmor.20845). 

Mus cervicolor R7314 View specimen

M3#343 .ply surfaces of the skull and masticatory muscles of Mus cervicolor. Created with MorphoDig, .pos and .ntw files also included. Scans were obtained thanks to the Institut des Sciences de l'Evolution de Montpellier MRI platform. Type: "3D_surfaces" doi: 10.18563/m3.sf.343   state:published

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Mus caroli R7264 View specimen

M3#344 .ply surfaces of the skull and masticatory muscles of Mus caroli. Created with MorphoDig, .pos and .ntw files also included. Scans were obtained thanks to the Institut des Sciences de l'Evolution de Montpellier MRI platform. Type: "3D_surfaces" doi: 10.18563/m3.sf.344   state:published

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Mus fragilicauda R7260 View specimen

M3#345 .ply surfaces of the skull and masticatory muscles of Mus fragilicauda. Created with MorphoDig, .pos and .ntw files also included. Scans were obtained thanks to the Institut des Sciences de l'Evolution de Montpellier MRI platform. Type: "3D_surfaces" doi: 10.18563/m3.sf.345   state:published

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Mus pahari R7226 View specimen

M3#346 .ply surfaces of the skull and masticatory muscles of Mus pahari. Created with MorphoDig, .pos and .ntw files also included. Scans were obtained thanks to the Institut des Sciences de l'Evolution de Montpellier MRI platform. Type: "3D_surfaces" doi: 10.18563/m3.sf.346   state:published

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Mus minutoides minutoides-1 View specimen

M3#347 .ply surfaces of the skull and masticatory muscles of Mus minutoides. Created with MorphoDig, .pos and .ntw files also included. Scans were obtained thanks to the Institut des Sciences de l'Evolution de Montpellier MRI platform. Type: "3D_surfaces" doi: 10.18563/m3.sf.347   state:published

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This contribution contains the 3D models of the fossil remains (maxilla, dentary, and talus) attributed to Djebelemur martinezi, a ca. 50 Ma primate from Tunisia (Djebel Chambi), described and figured in the following publication: Marivaux et al. (2013), Djebelemur, a tiny pre-tooth-combed primate from the Eocene of Tunisia: a glimpse into the origin of crown strepsirhines. PLoS ONE. https://doi.org/10.1371/journal.pone.0080778  

Djebelemur martinezi CBI-1-544 View specimen

M3#365 CBI-1-544, left maxilla preserving P3-M3 and alveoli for P2 and C1 Type: "3D_surfaces" doi: 10.18563/m3.sf.365   state:published

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Djebelemur martinezi CBI-1-567 View specimen

M3#363 Isolated left upper P4 Type: "3D_surfaces" doi: 10.18563/m3.sf.363   state:published

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Djebelemur martinezi CBI-1-565-577-587-580 View specimen

M3#366 - CBI-1-565, a damaged right mandible, which consists of three isolated pieces found together and reassembled here: the anterior part of the dentary bears the p3 and m1, and alveoli for p4, p2 and c, while the posterior part preserves m3 and a portion of the ascending ramus; the m2 was found isolated but in the same small calcareous block treated by acid processing. - CBI-1-577, isolated right lower p4. - CBI-1-587, isolated left lower p2 (reversed). - CBI-1-580, isolated left lower canine (reversed). Type: "3D_surfaces" doi: 10.18563/m3.sf.366   state:published

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Djebelemur martinezi CBI-1-545 View specimen

M3#364 Right Talus Type: "3D_surfaces" doi: 10.18563/m3.sf.364   state:published

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The present 3D Dataset contains the 3D model analyzed in the article : Dubied et al. (2021), Endocranium and ecology of Eurotherium theriodis, a European hyaenodont mammal from the Lutetian. Acta Palaeontologica Polonica 2021, https://doi.org/10.4202/app.00771.2020 

Eurotherium theriodis NMB.Em12 View specimen

	M3#381 NMB.Em12 unprepared specimen Type: "3D_surfaces" doi: 10.18563/m3.sf.381   state:published	Download 3D surface file
	M3#382 NMB.Em12 cranium Type: "3D_surfaces" doi: 10.18563/m3.sf.382   state:published	Download 3D surface file
	M3#383 NMB.Em12 endocast Type: "3D_surfaces" doi: 10.18563/m3.sf.383   state:published	Download 3D surface file

The present contribution contains the 3D virtual restoration of a Pliocene Lutrine right femur of Tobène, Senegal, described and figured in Lihoreau et al. (2021) : "A fossil terrestrial fauna from Tobène (Senegal) provides a unique early Pliocene window in Western Africa ". https://doi.org/10.1016/j.gr.2021.06.013 

Indet indet SN-Tob-12-02 View specimen

M3#441 Virtual restoration of SN-Tob-12-02 Type: "3D_surfaces" doi: 10.18563/m3.sf.441   state:published

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This contribution includes the 3D models of the reconstructed ossicular chain of the cainotheriid Caenomeryx filholi from the late Oligocene locality of Pech Desse (MP28, Quercy, France) described and figured in the publication of Assemat et al. (2020). It represents the oldest ossicular chain reconstruction for a Paleogene terrestrial artiodactyl species. 

Caenomeryx filholi UM PDS 3353 View specimen

M3#508 reconstruction of the middle ear with petrosal, bulla, stapes, incus, malleus Type: "3D_surfaces" doi: 10.18563/m3.sf.508   state:published

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This contribution contains the 3D surface model of the holotype cranium of the Late Jurassic thalassochelydian turtle Solnhofia brachyrhyncha described and figured in the publication of Anquetin and Püntener (2020). 

Solnhofia brachyrhyncha MJSN BAN001-2.1 View specimen

M3#536 Textured 3D surface model of the holotype cranium of the Late Jurassic turtle Solnhofia brachyrhyncha Type: "3D_surfaces" doi: 10.18563/m3.sf.536   state:published

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This contribution contains the 3D model(s) described and figured in the following publication: The present 3D Dataset contains the 3D models and CT-Scan slices of the lower jaws and teeth analyzed in “A new prozostrodontian cynodont (Eucynodontia, Probainognathia) from the Upper Triassic of southern Brazil”. https://doi.org/10.1080/02724634.2020.1782415 

Agudotherium gassenae CAPPA/UFSM 0262 View specimen

	M3#546 Left lower jaw and cheek teeth Type: "3D_surfaces" doi: 10.18563/m3.sf.546   state:published	Download 3D surface file
	M3#547 1578 slices Type: "3D_CT" doi: 10.18563/m3.sf.547   state:published	Download CT data

Agudotherium gassenae CAPPA/UFSM 0208 View specimen

	M3#548 right lower jaw Type: "3D_surfaces" doi: 10.18563/m3.sf.548   state:published	Download 3D surface file
	M3#549 CT data of CAPPA_UFSM_0208 Type: "3D_CT" doi: 10.18563/m3.sf.549   state:published	Download CT data

The present 3D Dataset contains the 3D models analyzed in Hendrickx, C., Gaetano, L. C., Choiniere, J., Mocke, H. and Abdala, F. in press. A new traversodontid cynodont with a peculiar postcanine dentition from the Middle/Late Triassic of Namibia and dental evolution in basal gomphodonts. Journal of Systematic Palaeontology. 

Etjoia dentitransitus GSN F1591 View specimen

	M3#557 Surface model derived from µCT data of the holotype of Etjoia dentitransitus Type: "3D_surfaces" doi: 10.18563/m3.sf.557   state:published	Download 3D surface file
	M3#558 Photogrammetric 3D surface model of the postcanines of the Holotype of Etjoia dentitransitus Type: "3D_surfaces" doi: 10.18563/m3.sf.558   state:published	Download 3D surface file
	M3#559 Photogrammetric 3D surface model of the Holotype of Etjoia dentitransitus Type: "3D_surfaces" doi: 10.18563/m3.sf.559   state:published	Download 3D surface file

The present 3D Dataset contains the 3D models of the sacral vertebrae analyzed in “Sacral co-ossification in dinosaurs: The oldest record of fused sacral vertebrae in Dinosauria and the diversity of sacral co-ossification patterns in the group”.
  

Buriolestes schultzi CAPPA/UFSM 0035 View specimen

M3#705 Sacral vertebrae of Buriolestes schultzi Type: "3D_surfaces" doi: 10.18563/m3.sf.705   state:published

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indet indet CAPPA/UFSM 0228 View specimen

M3#706 Sacral vertebrae of a saurischian dinosaur indet. Type: "3D_surfaces" doi: 10.18563/m3.sf.706   state:published

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This contribution contains 3D models of the cranial skeleton and muscles in an elephantfish (Callorhinchus milii) and a catshark (Scyliorhinus canicula), based on synchrotron tomographic scans. These datasets were analyzed and described in Dearden et al. (2021) “The morphology and evolution of chondrichthyan cranial muscles: a digital dissection of the elephantfish Callorhinchus milii and the catshark Scyliorhinus canicula.” Journal of Anatomy. 

Callorhinchus milii 001 View specimen

M3#708 3D models of the cranial skeleton and muscles of Callorhinchus milii, created using Mimics. Type: "3D_surfaces" doi: 10.18563/m3.sf.708   state:published

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Scyliorhinus canicula 002 View specimen

M3#709 3D models of the cranial skeleton and muscles of Scyliorhinus canicula, created using Mimics. Type: "3D_surfaces" doi: 10.18563/m3.sf.709   state:published

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This contribution contains the 3D models described and figured in the following publication: Hautier L, Tabuce R, Kassegne KE, Amoudji YZ, Mourlam M, Orliac M, Quillévéré F, Charruault A-L, Johnson AKC, Guinot G. 2021. New middle Eocene proboscidean from Togo illuminates the early evolution of the elephantiform-like dental pattern. 

Dagbatitherium tassyi ULDG-DAG1 View specimen

	M3#769 3D model of a molar of Dagbatitherium tassyi. Type: "3D_surfaces" doi: 10.18563/m3.sf.769   state:published	Download 3D surface file
	M3#771 µCT scan of a molar of Dagbatitherium tassyi. Type: "3D_CT" doi: 10.18563/m3.sf.771   state:published	Download CT data

The present 3D Dataset contains the 3D model analyzed in Presence of the ground sloth Valgipes bucklandi (Xenarthra, Folivora, Scelidotheriinae) in southern Uruguay during the Late Pleistocene: Ecological and biogeographical implications. Quaternary International. https://doi.org/10.1016/j.quaint.2021.06.011 

Valgipes bucklandi CAV 1573 View specimen

M3#797 Left tibia-fibula Type: "3D_surfaces" doi: 10.18563/m3.sf.797   state:published

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The present 3D Dataset contains the 3D models of the holotype mandible and referred fragmented skull of the new species Amphimoschus xishuiensis analyzed in the article Li, Y.-K., Mennecart, B., Aiglstorfer, M., Ni, X.-J., Li, Q., Deng, T. 2021. The early evolution of cranial appendages in Bovoidea revealed by new species of Amphimoschus (Mammalia: Ruminantia) from China. Zoological Journal of the Linnean Society https://doi.org/10.1093/zoolinnean/zlab053 

Amphimoschus xishuiensis IVPP V 25521.1 View specimen

M3#803 the holotype, a right hemimandible with tooth row p2 to m3 Type: "3D_surfaces" doi: 10.18563/m3.sf.803   state:published

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Amphimoschus xishuiensis IVPP V 25521.2 View specimen

M3#804 referred material, anterior part of a skull with right P4-M3 and left P3-M2 Type: "3D_surfaces" doi: 10.18563/m3.sf.804   state:published

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The present 3D Dataset contains the 3D model analyzed in Gaetano, L. C., Abdala, F., Seoane, F. D., Tartaglione, A., Schulz, M., Otero, A., Leardi, J. M., Apaldetti, C., Krapovickas, V., and Steinbach, E. 2021. A new cynodont from the Upper Triassic Los Colorados Formation (Argentina, South America) reveals a novel paleobiogeographic context for mammalian ancestors. Scientific Reports. 

Tessellatia bonapartei PULR-V121 View specimen

M3#960 3D surface model of PULR-V121 Type: "3D_surfaces" doi: 10.18563/m3.sf.960   state:published

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