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Microcleidus

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Journal Article
Published: 18 October 2017
Geological Magazine (2019) 156 (1): 99–116.
... plesiosaurian taxon from Toarcian deposits of Luxembourg, Microcleidus melusinae , represented by the most complete skeleton ever discovered from this country. A preliminary phylogenetic analysis places Microcleidus melusinae within Microcleididae, as a sister taxon of the species previously included...
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Journal Article
Published: 01 July 2013
Journal of Paleontology (2013) 87 (4): 537–549.
... of the Plesiosauria. The three-dimensional preservation permits a relatively reliable reconstruction of its form. Microcleidus homalospondylus displays an interesting combination of cranial characters present in Jurassic plesiosauroids and Cretaceous Elasmosauridea. Its snout presents a very distinctive sculpture...
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(a) Map showing the locality where the holotype of  <span class="search-highlight">Microcleidus</span> melusinae ...
Published: 18 October 2017
Figure 1. (a) Map showing the locality where the holotype of Microcleidus melusinae (MNHNL TV434) was collected. (b) Simplified Lower Jurassic succession of Luxembourg based on outcrops and drill cores (modified from Hermoso et al. 2014 ), with the possible stratigraphic position
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Mounted holotype of  <span class="search-highlight">Microcleidus</span> melusinae  (MNHNL TV434) in left oblique ...
Published: 18 October 2017
Figure 2. Mounted holotype of Microcleidus melusinae (MNHNL TV434) in left oblique view. Scale bar equals 10 cm.
Journal Article
Published: 28 December 2020
Geological Magazine (2021) 158 (7): 1305–1322.
... , microcleidid plesiosaurians (including the genus Microcleidus ), rhomaleosaurids and basal pliosaurids. The palaeogeographic reconstruction places these faunas to the palaeopolar region, north of the 80th northern parallel and up to the palaeo north pole (upper value within the 95% confidence interval for some...
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Cervical vertebrae of the holotype of  <span class="search-highlight">Microcleidus</span> melusinae  (MNHNL TV434...
Published: 18 October 2017
Figure 7. Cervical vertebrae of the holotype of Microcleidus melusinae (MNHNL TV434) in ventral view: (a) C2–C9; (b) C10–C18; (c) C19–C23 and (d) C24–C29. Scale bar equals 10 cm
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Figure  2. Cladogram of the Plesiosauria. Branches in bold are pliosauromor...
Published: 01 January 2005
Figure 2. Cladogram of the Plesiosauria. Branches in bold are pliosauromorphs, dotted branches are plesiosauromorphs (Elasmosauridae, Microcleidus , and Muraenosaurus ). Topology and taxonomy modified from O'Keefe (2001a , 2004 ). Ecomorphological assignments based on analysis in O'Keefe
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Mandible of  <span class="search-highlight">Microcleidus</span> homalospondylus , NHMUK 36184.  1–3 , photographs...
Published: 01 July 2013
Figure 4 Mandible of Microcleidus homalospondylus , NHMUK 36184. 1–3 , photographs of the lateral, lingual and dorsal surfaces, respectively. Scale bar=5 cm. Abbreviations: a=angular; co=coronoid; d=dentary; mc=Meckelian canal; sa=surangular.
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Axial and appendicular skeleton of  <span class="search-highlight">Microcleidus</span> melusinae  (MNHNL TV434): ...
Published: 18 October 2017
Figure 9. Axial and appendicular skeleton of Microcleidus melusinae (MNHNL TV434): (a, b) thoracic skeleton segment in (a) dorsal and (b) oblique view; (c) left humerus in dorsal view. Abbreviations: h – humerus; sc – scapula; ul – ulna. Scale bar equals 10 cm (a).
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Cladogram (strict consensus of 42 trees) showing the phylogenetic relations...
Published: 18 October 2017
Figure 10. Cladogram (strict consensus of 42 trees) showing the phylogenetic relationships of Microcleidus melusinae. Tree length: 638. CI = 0.444, RI = 0.596. For character matrix see online Supplementary Material available at http://journals.cambridge.org/geo . Bremer indices are indicated
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Skull of  <span class="search-highlight">Microcleidus</span> homalospondylus , NHMUK 36184.  1–3 , reconstruction...
Published: 01 July 2013
Figure 5 Skull of Microcleidus homalospondylus , NHMUK 36184. 1–3 , reconstructions of the anterior, lateral, and dorsal views, respectively. Abbreviations: d=dentary; f=frontal; mx=maxilla; p=parietal; pf=postfrontal; pmx=premaxilla; po=postorbital; prf=prefrontal; sq=squamosals.
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Skull of the holotype of  <span class="search-highlight">Microcleidus</span> melusinae  (MNHNL TV434) in (a) dors...
Published: 18 October 2017
Figure 3. Skull of the holotype of Microcleidus melusinae (MNHNL TV434) in (a) dorsal view, and (b) line drawing; grey tone indicates matrix. Abbreviations: a – angular; At-Ax – atlas–axis complex; C1 – first postaxial cervical vertebra; co – coronoid; d – dentary; fr – frontal; jug – jugal
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Skull of the holotype of  <span class="search-highlight">Microcleidus</span> melusinae  (MNHNL TV434), photograph...
Published: 18 October 2017
Figure 4. Skull of the holotype of Microcleidus melusinae (MNHNL TV434), photographs in (a) right lateral view, (b) left lateral view, and (c) line drawing; grey tone indicates matrix. Abbreviations: a – angular; ar – articular; C1 – first postaxial cervical vertebra; co – coronoid; d – dentary
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Skull of the holotype of  <span class="search-highlight">Microcleidus</span> melusinae  (MNHNL TV434) in (a) vent...
Published: 18 October 2017
Figure 5. Skull of the holotype of Microcleidus melusinae (MNHNL TV434) in (a) ventral view, and (b) line drawing; grey tone indicates matrix. Abbreviations: a – angular; At-Ax – atlas–axis complex; C1 – first postaxial cervical vertebra; bo – basioccipital; ect – ectopterygoid; pbs
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Close-ups of the skull of the holotype of  <span class="search-highlight">Microcleidus</span> melusinae  (MNHNL T...
Published: 18 October 2017
Figure 6. Close-ups of the skull of the holotype of Microcleidus melusinae (MNHNL TV434). Photographs of (a) the posterior portion of skull in ventral view, dotted lines indicate possible suture between the parasphenoid and pterygoids, and between the basioccipital and the parabasisphenoid; (b
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Vertebrae of the holotype of  <span class="search-highlight">Microcleidus</span> melusinae  (MNHNL TV434): (a, b)...
Published: 18 October 2017
Figure 8. Vertebrae of the holotype of Microcleidus melusinae (MNHNL TV434): (a, b) C2–C4 in (a) ventral, and (b) left lateral view; (c) C11 in ventral view; (d) C17–C18 in right lateral view; (e) C19–C23 in right lateral view; (f) C24–C25 in left lateral view; (g) posteriormost cervical
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Skull of  <span class="search-highlight">Microcleidus</span> homalospondylus , NHMUK 36184.  1 ,  2 , photograph ...
Published: 01 July 2013
Figure 1 Skull of Microcleidus homalospondylus , NHMUK 36184. 1 , 2 , photograph and interpretation of the dorsal view; 3 , 4 , photograph and interpretation of the ventral view. The areas with dots correspond to areas filled with matrix. Scale bar=10 cm. Abbreviations: d=dentary; ect
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Skull of  <span class="search-highlight">Microcleidus</span> homalospondylus , NHMUK 36184.  1 ,  2 , photograph ...
Published: 01 July 2013
Figure 2 Skull of Microcleidus homalospondylus , NHMUK 36184. 1 , 2 , photograph and interpretation of the left lateral view; 3 , 4 , photograph and interpretation of the right lateral view. The areas with dots correspond to areas filled with matrix. Scale bar=10 cm. Abbreviations: co
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Skull of  <span class="search-highlight">Microcleidus</span> homalospondylus , NHMUK 36184.  1 ,  3 , photograph ...
Published: 01 July 2013
Figure 3 Skull of Microcleidus homalospondylus , NHMUK 36184. 1 , 3 , photograph and interpretation of the posterolateral view; 2 , 4 , photograph and interpretation of the occipital view; 5 , close-up photography of the stapes; 6 , close-up photography of the right side of the temporal
Journal Article
Published: 01 September 2000
Journal of Paleontology (2000) 74 (5): 907–914.
... the Upper Jurassic and younger strata, but shorter than those of the Lower Jurassic Microcleidus ( Watson, 1911 ). The vertebrae of UMUT MV 19965 are smaller than those of Polycotylus and Trinacromerum specimens, with the exception of some juvenile specimens (see Tables in Appendix). Concavities...
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