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Figure 5 in Shape variation in the mole dentary (Talpidae: Mammalia)
Figure 5. Distribution of coronoid process outline shape among fully fossorial moles in the ES-1 versus ES-2 and ES-2 versus ES-3 shape planes for Talpini (A and B, respectively), Scalopini (C and D) and corresponding outline shape models (E and F). Least convex hulls show position within the shape space that each genus occupies. Dotted lines/arrows refer to position of specimens mentioned in the text.
Figure 2 in Shape variation in the mole dentary (Talpidae: Mammalia)
Figure 2. Phylogenetic relationships among the Talpidae proposed by Sánchez-Villagra et al. (2006) based on a maximum-parsimony analysis of 157 morphological characters. Clades indicated (in grey) are discussed in the text (see also Table 1).
Walleye Dentary From Historic Privy
This dentary (lower jaw bone) was found in CAP's excavation of a privy (outhouse) associated with Saints' Rest, MSU's first dorm which burned down in 1876. Former Campus Archaeologist Autumn M. Painter identified this particular dentary as belonging to a walleye, a fish commonly found in the Great Lakes region and in shallow bays and inland lakes throughout Michigan. Dentaries and other skeletal elements from numerous walleyes were found in the privy, indicating this was a commonly consumed food on campus and possibly locally caught! Other food-related items found in the privy include pork, cow, and possibly sheep/goat bones, fruit seeds, and others. As privies are perfect places to get rid of trash, it is no surprise that in addition to food refuse, items such as ceramic dinner wares, smoking pipes, inkwells, and other types of materials were discovered. Check out Autmun's blog about this topic: http://campusarch.msu.edu/?p=5052 Photogrammetry model created by Jack A. Biggs with Agisoft Metashape. Source: Objaverse 1.0 / Sketchfab
Fig. 3 in Distribution of the dentary groove of theropod dinosaurs: Implications for theropod phylogeny and the validity of the genus Nanotyrannus Bakker et al., 1988
Fig. 3. Proposed phylogenetic relationships of Nanotyrannus within Tyrannosauroidea with distribution of the theropod dentary groove on trees indicated with thickened bars. (A) Most parsimonious cladogram proposed by this study placing Nanotyrannus as sister to the Albertosaurinae. (B) Relationship sensu Currie (2003a) placing Nanotyrannus as sister to Tyrannosaurus. This tree requires 5 more independent losses of the dentary groove than the tree proposed in this study. (C) Relationship proposed by Brusatte et al. (2010) placing Nanotyrannus as a juvenile Tyrannosaurus. This tree requires 4 more independent losses than the tree proposed in this study and a loss of the dentary groove through ontogeny in Tyrannosaurus.
Fig. 1 in Distribution of the dentary groove of theropod dinosaurs: Implications for theropod phylogeny and the validity of the genus Nanotyrannus Bakker et al., 1988
Fig. 1. Lateral views of theropod skulls demonstrating presence or absence of the dentary groove. The dentary groove is present in the primitive theropod (A) Coelophysis bauri (NMMNH P-42200), as well as in the derived theropod (B) Compsognathus longipes (BSP AS I 563). The dentary groove is present in the tyrannosaurids (C) Gorgosaurus libratus (TCM 2001.89.1) and (D) Nanotyrannus lancensis ("Jane"; BMR P2002.4.1). The dentary groove is absent in both (E1) young (LACM 28471) and (E2) adult ("Sue"; FMNH PR2081) Tyrannosaurus rex. Arrows indicate the position of the groove, when present. Scale bars equal 5 cm.
Fig. 2 in Distribution of the dentary groove of theropod dinosaurs: Implications for theropod phylogeny and the validity of the genus Nanotyrannus Bakker et al., 1988
Fig. 2. Cladogram of Theropoda modifed from Carrano et al. (2012). Thickened branches indicate lineages possessing the dentary groove, thin branches indicate lineages in which the groove is absent. Grayed-out braches marked with dashed lines indicate taxa without a known dentary. Circled numbers indicate sequence of losses of the dentary groove assuming maximum parsimony.
Fig. 1 in Dentary groove morphology does not distinguish 'Nanotyrannus' as a valid taxon of tyrannosauroid dinosaur. Comment on: "Distribution of the dentary groove of theropod dinosaurs: Im...
Fig. 1. Lateral views of tyrannosauroid dentaries with a lateral groove (indicated by arrows). (A) Tarbosaurus bataar, PIN 4216/3 (image reversed); (B) Tarbosaurus bataar, PIN 551-2/ 1; (C) Adult Tyrannosaurus rex, MOR 008 (image reversed); (D) Adult Tyrannosaurus rex, AMNH FARB 5027 (cast); (E) Juvenile Daspletosaurus torosus, TMP 1994.143.0001; (F) Adult Daspletosaurus torosus, CMN 8506 (image reversed); (G) Juvenile Bistahieversor sealeyi, NMMNHS P-25049 (image reversed); (H) Adult Bistahieversor sealeyi, NMMNHS P-27469; (I) Juvenile Gorgosaurus libratus, ROM 1247 (image reversed); (J) Adult Gorgosaurus libratus, CMNN 2120. Scale bars equal 10 cm. Scales not available for A-C because these photographs were taken of specimens on display behind glass.
Figure 6. Referred partial left dentary with i1, i2, c1, broken p2 in Systematics, evolution, and biogeography of the Pliocene stem meline badger Ferinestrix (Carnivora: Mustelidae)
Figure 6. Referred partial left dentary with i1, i2, c1, broken p2, and p3–m1 of Ferinestrix rapax sp. nov., GIN-BF 987/251, coated with ammonium chloride. A, dorsal view; B, lateral view; C, medial view. Scale bar = 10 mm.
Figure 16. Parazhelestes mynbulakensis, stereophotographs URBAC 99–109, left dentary with i1-4, c, p1-3 in Phylogenetic analysis, taxonomic revision, and dental ontogeny of the Cretaceous Zhelestidae (Mammalia: Eutheria)
Figure 16. Parazhelestes mynbulakensis, stereophotographs URBAC 99–109, left dentary with i1-4, c, p1-3(?) roots or alveoli, and p4-5, m1-3. A, stereophotograph and line drawing of anterior end. Light grey indicates roots teeth and dark grey indicates alveoli. B, stereophotograph of teeth in labial, occlusal, and lingual views. Photographs showing entire dentary, C, lingual view and D, labial view.
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