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Synechodus

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1.  ?Heterodontus  sp. P. 66275, X24, A/B beds contact level, anterior toot...
Published: 01 November 2004
-occlusal view; 4, P. 66278, X22, LA6, lateral tooth, labial view. 5–6. Synechodus dubrisiensis ( Mackie 1863 ). 5, P. 66279, X20, A/B beds contact level, posterolateral tooth, labio-occlusal view; 6, P. 66280, X20, LA6, anterior tooth of juvenile, labial view. 7. Protosqualus sp. P. 66281, X28, UB3
Series: Geological Society, London, Special Publications
Published: 01 January 2016
DOI: 10.1144/SP434.9
EISBN: 9781862391581
... and Synechodus are more specifically derived from bed 2 (which is rich in tetrapod remains and was, therefore, preferentially targeted) and the upper third of bed 3 (which produces teeth with the best average state of preservation). The specific stratigraphical provenance is noted for some of the teeth...
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Journal Article
Published: 01 November 2004
Proceedings of the Yorkshire Geological Society (2004) 55 (2): 107-118.
...-occlusal view; 4, P. 66278, X22, LA6, lateral tooth, labial view. 5–6. Synechodus dubrisiensis ( Mackie 1863 ). 5, P. 66279, X20, A/B beds contact level, posterolateral tooth, labio-occlusal view; 6, P. 66280, X20, LA6, anterior tooth of juvenile, labial view. 7. Protosqualus sp. P. 66281, X28, UB3...
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Journal Article
Journal: Paleobiology
Published: 01 March 2006
Paleobiology (2006) 32 (2): 215-235.
... of several species of Synechodus Woodward 1888, are also present in Triassic assemblages. The same gross tooth morphology of the Synechodontiformes, comprising a low, bulky root with irregularly distributed foramina and a single or multiple erect cusps, is shared by other Triassic taxa such as Grozonodon...
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Series: Geological Society, London, Special Publications
Published: 01 January 2016
DOI: 10.1144/SP430.4
EISBN: 9781862399624
...) and Weymouth (Kimmeridgian). Cretaceous non-marine hybodonts are well represented from Swanage (Berriasian) as well as some Wealden sites (Valanginian to Barremian). In the Upper Cretaceous Chalk, lamniforms and Ptychodus are well represented, along with rarer Heterodontus and Synechodus , but few other...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2008
DOI: 10.1144/SP295.5
EISBN: 9781862395435
..., G, K, I A, E, F Pseudospinax X * D * Rajiformes nov. K Rajiformes nov. C, E Scyliorhinidae nov. K Spathobatis X C C, D, E, G F, K Sphenodus X A, H C, D, E, F, L B, L Pseudorhina A, D A, D, E, I B, E Synechodus X A, D A, C, D, E B...
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Series: Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP315.8
EISBN: 9781862395633
... ). They therefore diverged from the rest of the neoselachians before the latter developed a triple-layered enameloid. As the oldest undisputable neoselachian shark, Synechodus antiquus , has been found in the Lower Permian units of Russia ( Ivanov 2005 ), this event can be dated at about the Carboniferous–Permian...
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Series: Geological Society, London, Special Publications
Published: 01 January 2016
DOI: 10.1144/SP430.19
EISBN: 9781862399624
... with that of the English Chalk. Geological Magazine, Decade 3 , 5 , 471–472. 1888 ‘Old Bones’. [Abstract of lecture by Arthur Smith Woodward delivered at Macclesfield, on Wednesday evening, 10 October 1888.] Macclesfield Chronicle , 12 October 1888. 1888 On the Cretaceous Selachian Genus Synechodus . Geological...