@prefix rdf: . @prefix rdfs: . @prefix bibo: . @prefix cito: . @prefix dc: . @prefix dwc: . @prefix dwcFP: . @prefix fabio: . @prefix trt: . @prefix xlink: . cito:cites , , , , , , , , , ; dc:creator "Chambi-Trowell, Sofia A. V.; Martinell, Agust ́ ın G.; Whitesid, David I.; Romo de Viva, Paulo R.; Soare, Marina Bento; Schult, Cesar L.; Gil, Pamela G.; Bento, Michael J.; Rayfiel, Emily J." ; dc:title "Microsphenodon bonapartei Chambi-Trowell & Martinell & Whitesid & Romo de Viva & Soare & Schult & Gil & Bento & Rayfiel 2021, sp. nov." ; dwc:basisOfRecord ; trt:definesTaxonConcept ; trt:publishedIn ; a trt:Treatment . bibo:endPage "820" ; bibo:issue "11" ; bibo:journal "Journal of Systematic Palaeontology" ; bibo:pubDate "2021-11-01" ; bibo:startPage "787" ; bibo:volume "19" ; dc:creator "Chambi-Trowell, Sofia A. V.; Martinell, Agust ́ ın G.; Whitesid, David I.; Romo de Viva, Paulo R.; Soare, Marina Bento; Schult, Cesar L.; Gil, Pamela G.; Bento, Michael J.; Rayfiel, Emily J." ; dc:date "2021" ; dc:title "The diversity of Triassic South American sphenodontians: a new basal form, clevosaurs, and a revision of rhynchocephalian phylogeny" ; fabio:hasPart , , , , , , , , , ; a fabio:JournalArticle . dwc:authority "Chambi-Trowell & Martinell & Whitesid & Romo de Viva & Soare & Schult & Gil & Bento & Rayfiel, 2021" ; dwc:authorityName "Chambi-Trowell & Martinell & Whitesid & Romo de Viva & Soare & Schult & Gil & Bento & Rayfiel" ; dwc:authorityYear "2021" ; dwc:genus "Microsphenodon" ; dwc:kingdom "Animalia" ; dwc:order "Rhynchocephalia" ; dwc:phylum "Chordata" ; dwc:rank "species" ; dwc:scientificNameAuthorship "Chambi-Trowell, Martinell, Whitesid, Romo de Viva, Soare, Schult, Gil, Bento & Rayfiel, 2021" ; dwc:species "bonapartei" ; trt:hasTaxonName ; a dwcFP:TaxonConcept . dwc:genus "Microsphenodon" ; dwc:kingdom "Animalia" ; dwc:order "Rhynchocephalia" ; dwc:phylum "Chordata" ; dwc:rank "species" ; dwc:species "bonapartei" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:genus "Microsphenodon" ; dwc:kingdom "Animalia" ; dwc:order "Rhynchocephalia" ; dwc:phylum "Chordata" ; dwc:rank "genus" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:kingdom "Animalia" ; dwc:order "Rhynchocephalia" ; dwc:phylum "Chordata" ; dwc:rank "order" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:kingdom "Animalia" ; dwc:phylum "Chordata" ; dwc:rank "phylum" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:kingdom "Animalia" ; dwc:rank "kingdom" ; a dwcFP:TaxonName . dc:description "Figure 4. Cross-sections of the tooth implantation in Microsphenodon bonapartei gen. et sp. nov. (A–C, N) and Clevosaurus brasiliensis (D–M, O). A–C, coronal cross-sections showing tooth implantation in Microsphenodon bonapartei (UFRGS-PV-0972-T) in: A, posterior-most dentary tooth; B, posterior-most maxillary tooth; and C, palate. D–H, coronal cross-sections showing tooth implantation in Clevosaurus brasiliensis (UFRGS-PV-0748-T) in: D, posterior-most dentary tooth; E, penultimate additional maxillary tooth; H, hatchling teeth; and for UFRGS-PV-0974-T in F, ultimate maxillary and dentary teeth; and G, hatchling teeth. Sagittal cross-sections of the bone bearing elements of Clevosaurus brasiliensis (UFRGS-PV-0974-T) for I, palatine; J, left pterygoid; K, right pterygoid; L, left maxilla; and M, left dentary. N, left maxilla and dentary of Microsphenodon bonapartei (UFRGS-PV-0972-T) demonstrating the depth of the acrodont implantation. O, left maxilla and dentary of Clevosaurus brasiliensis (UFRGS-PV-0748-T) demonstrating the depth of the acrodont implantation. Abbreviations: add, additional; alc, alveolar canal; cap, pulp cavity; d, dentary; ht, hatchling; j, jugal; m, maxilla; mc, Meckelian canal; pal, palatine; pm, premaxilla; prf, prefrontal; pt, pterygoid; th, tooth. Scale bars for A–K equal 1 mm; L–O equal 10 mm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Figure 6. Ventral view of palatines for Clevosaurus brasiliensis (A–D), and Microsphenodon bonapartei gen. et sp. nov. (E–G). A, UFSM-PV-0131; B, UFRGS-PV-0748-T; C, UFRGS-PV-0974-T; D, MCN-PV 2852. E, right palatine, UFRGS-PV-0827-T; F, right palatine, UFRGS-PV-0613-T; G, left palatine, UFRGS-PV-0972-T. Abbreviations: cl, cluster; d, dentary; iso, isolated; lat, lateral; rid, ridge; th, tooth. Not to scale." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Figure 9. Cranial material of Microsphenodon bonapartei gen. et sp. nov. (A, UFRGS-PV-0972-T; B, C, UFRGS-PV-0613-T; D, E, UFRGS-PV-0827-T; F, UFRGS-PV-0848-T). A, left lateral view of the holotype near-complete skull UFRGS-PV-0972-T. B, C, partial skull of UFRGS-PV-0613-T in: B, left lateral; and C, ventral views. D, E, right palatine UFRGS-PV-0827-T in: D, right lateral; and E, ventral views. F, medial view of left dentary UFRGS-PV-0848-T. Scale bars equal 5 mm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Figure 11. Digital segmentation of selected cranial material of the holotype of Microsphenodon bonapartei gen. et sp. nov. (UFRGS-PV-0972-T). A–C, left maxilla in: A, lateral; B, ventral; and C, medial views. D–F, left nasal and prefrontal in: D, dorsal; E, lateral; and F, posterior views. G, H, left postfrontal in: G, medial; and H, lateral views. I, J, articulated frontals and parietals in: I, dorsal; and J, ventral views. K, L, left jugal in: K, lateral; and L, medial views. M, N, left postorbital in: M, medial; and N, lateral views. O, P, right squamosal in: O, lateral; and P, medial views. Abbreviations: add, additional; alt, alternating; ant, anterior; can, caniniform; con, conical; ept, epipterygoid; f, frontal; fac, facet; fl, flange; j, jugal; m, maxilla; n, nasal; p, parietal; pal, palatine; pfr, prefrontal; pinf, pineal foramen; pm, premaxilla; po, postorbital; pof, postfrontal; post, posterior; prf, prefrontal; proc, process; q, quadrate; sq, squamosal; st, supratemporal; th, tooth; ven, ventral. Scale bars for A–H, K–P equal 5 mm; I, J equal 10 mm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Figure 12. Digital segmentation of selected cranial material of the holotype of Microsphenodon bonapartei gen. et sp. nov. (UFRGS-PV-0972-T). A, B, left supratemporal in: A, dorsal; and B, ventral views. C–E, left quadrate in: C, medial; D, lateral; E, posterior views. F, left vomer in ventral view. G, H, left palatine in: G, lateral; and H, ventral views. I, J, pterygoids in: I, ventral; and J, dorsal views. K, left ectopterygoid in ventral view. L, left pterygoid and epipterygoid in lateral view. Abbreviations: ant, anterior; artcon, articular condyle; bs, basisphenoid; epi, epipterygoid; ept, ectopterygoid; fac, facet; fl, flange; for, foramen; iso, isolated; j, jugal; lat, lateral; m, maxilla; med, medial; p, parietal; pal, palatine; proc, process; pt, pterygoid; q, quadrate; qj, quadratojugal; rid, ridge; sq, squamosal; th, tooth; ven, ventral; ver, vertical; vo, vomer. Scale bars for A, B, F–H, K equals 1 mm; C, D, I, J, L equals 5 mm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Figure 13. The braincase and cervical vertebra of Microsphenodon bonapartei gen. et sp. nov. (UFRGS-PV-0972-T). A–F, nearcomplete braincase in: A, anterior; B, posterior; C, left lateral; D, right lateral; E, dorsal; and F, ventral views. G–K, fragments of the axis and atlas in: G, right lateral; H, left lateral; I, ventral; J, dorsal; and K, posterior views. Abbreviations: at, atlas; ax, axis; bo, basioccipital; bs, basisphenoid; car. for, carotid foramen; cen, centrum; cul. proc, cultriform process; eo, exoccipital; int, intercentrum; ne. arch, neural arch; ocon, occipital condyle; op, opisthotic; par, paroccipital; pila, pila antotica; pr, prootic; proc, process; ps, parasphenoid; so, supraoccipital. Scale bars for A–F equal 5 mm; G–K equal 1 mm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Figure 8. The lower left mandible of Brazilian sphenodontians. A–C, J, Clevosaurus brasiliensis (UFRGS-PV-0748-T) in: A, lateral; B, dorsal; C, medial; and J, scaled lateral views. D, I, Clevosaurus brasiliensis (UFSM-PV-0131) in: D, lateral; and I, scaled lateral views. E, K, Clevosaurus brasiliensis (UFRGS-PV-0974-T) in: E, lateral; and K, scaled lateral views. F–H, L, Microsphenodon bonapartei gen. et sp. nov. (UFRGS-PV-0972-T) in: F, lateral; G, dorsal; H, medial; and L, scaled lateral views. M, Lanceirosphenodon (CAPPA/UFSM 0226) in scaled view. Abbreviations: add, additional; alt, alternating; ang, angular; artcom, articular complex; cor, coronoid; cpr, coronoid process; ht, hatchling; mc, Meckelian canal; men, mentonian; mdf, mandibular foramen; pra, prearticular; proc, process; ret, retroarticular; sb, secondary bone; sur, surangular; sy, symphysis; th, tooth; wft, wear facet. Scale bars equal 10mm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Figure 10. The digitally segmented holotype skull of Microsphenodon bonapartei gen. et sp. nov. (UFRGS-PV-0972-T). A, left lateral; B, posterior; C, dorsal; and D, ventral views. Abbreviations: artcom, articular complex; bo, basioccipital; bs, basisphenoid; c. vert, cervical vertebra; d, dentary; eo, exoccipital; epi, epipterygoid; ept, ectopterygoid; f, frontal; hy, hyoid; j, jugal; m, maxilla; n, nasal; op, opisthotic; p, parietal; pal, palatine; po, postorbital; pof, postfrontal; pr, prootic; prf, prefrontal; ps, parasphenoid; pt, pterygoid; q, quadrate; so, supraoccipital; sq, squamosal; st, supratemporal; vo, vomer. Scale bar equals 10mm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Figure 14. Reconstructions of the skulls of Clevosaurus brasiliensis (A–D) and Microsphenodon bonapartei gen. et sp. nov. (E–H). A, B, cranium of C. brasiliensis in: A, dorsal; B, ventral views. C, right lateral view of the cranium and mandible of C. brasiliensis. D, a medial view of the right mandible of C. brasiliensis. E, F, cranium of M. bonapartei in: E, dorsal, F, ventral views. G, a right lateral view of the cranium and mandible of M. bonapartei. H, a medial view of the right mandible of M. bonapartei. Abbreviations: ang, angular; art, articular; bo, basioccipital; bs, basisphenoid; cor, coronoid; d, dentary; epi, epipterygoid; ept, ectopterygoid; f, frontal; j, jugal; m, maxilla; n, nasal; p, parietal; pal, palatine; pm, premaxilla; po, postorbital; pof, postfrontal; pfr, prefrontal; pra, prearticular; ps, parasphenoid; pt, pterygoid; q, quadrate; so, supraoccipital; sq, squamosal; st, supratemporal; sur, surangular; vo, vomer. Scale bars equal 10mm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Figure 15. Life reconstruction of Microsphenodon bonapartei gen. et sp. nov. (top left) and Clevosaurus brasiliensis (bottom right). Work by Lavinia Gandolfi." ; fabio:hasRepresentation ; a fabio:Figure . dwc:collectionCode "T" ; dwc:typeStatus "holotype" ; trt:httpUri ; a dwc:MaterialCitation .