diff --git a/data/0A/15/87/0A1587CBFFB375498D4EFEE3FE572F43.xml b/data/0A/15/87/0A1587CBFFB375498D4EFEE3FE572F43.xml new file mode 100644 index 00000000000..2dd4900c6db --- /dev/null +++ b/data/0A/15/87/0A1587CBFFB375498D4EFEE3FE572F43.xml @@ -0,0 +1,182 @@ + + + +Revision of the short-necked Cretaceous plesiosaurians from New Zealand + + + +Author + +O’Gorman, José Patricio +División Paleontología Vertebrados, Museo de La Plata, Universidad Nacional de La Plata, Paseo del Bosque s / n., B 1900 FWA, La Plata (Argentina) & Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, Ciudad Autónoma de Buenos Aires (Argentina) +joseogorman@fcnym.unlp.edu.ar + + + +Author + +Otero, Rodrigo A. +Red Paleontológica U-Chile, Laboratorio de Ontogenia y Filogenia, Departamento de Biología, Facultad de Ciencias, Universidad de Chile, Avenida Las Palmeras, 3425, Santiago (Chile) & Consultora Paleoconsultores Ltda. Huelén 165 C, Providencia, Santiago (Chile) + +text + + +Comptes Rendus Palevol + + +2023 + +2023-03-14 + + +22 + + +6 + + +77 +90 + + + + +http://dx.doi.org/10.5852/cr-palevol2023v22a6 + +journal article +10.5852/cr-palevol2023v22a6 +1777-571X +14223917 +urn:lsid:zoobank.org:pub:AB8DCA69-9BE5-44F1-877D-0E65F73B7186 + + + + + +Polycotylidae indet +. + + + + + +( +Fig. 2 +E-H) + + + + + + +Polycotylus tenuis + +– + +Hector 1874: 335 + +, pl. 27. — Welles 1962: 73, +nomen dubium +. + + + + + +Cimoliosaurus tenuis + +– + +Lydekker 1889: 188 + +. + + + + +Polycotylidae indet. +– + +Welles & Gregg 1971: 44 + +. + + + + + +MATERIAL +. — + +DM R1544 +, a cervical centrum + +. + + + + +LOCALITY +AND +HORIZON +. + +Haumuri Bluff +, +South Island +, +New Zealand +. +Conway Formation, Campanian +( + +Wilson +et al. +2005 + +; +Fig. 1 +). + + + + +REMARKS + + +Welles & Gregg (1971) +provided the centrum indices (HI = 145 and BI = 168), pointing out the presence of deeply excavated articular facets and a subcircular articular outline. Such morphology differs from the typical cervical centra observed among Late Cretaceous elasmosaurids, characterized by platycelous articular facets and a bilobed articular contour ( + +Gasparini +et al. +2003 + +). Otherwise, the elliptical and strongly concave articular facets indicate affinities with + +Polycotylidae ( + +Salgado +et al. +2007 + +) + +. These are non-conclusive regarding a generic determination, as previously pointed out by +Welles & Gregg (1971) +. DM R1544 is part of the hypodigm of ‘ + +Polycotylus tenuis +’ +Hector, 1874 + +(currently +nomen dubium +), and was designated as the +paralectotype +by +Welles & Gregg (1971) +. + + + + \ No newline at end of file diff --git a/data/0A/15/87/0A1587CBFFB375498D65F96FFC382D41.xml b/data/0A/15/87/0A1587CBFFB375498D65F96FFC382D41.xml new file mode 100644 index 00000000000..f98c7be09ec --- /dev/null +++ b/data/0A/15/87/0A1587CBFFB375498D65F96FFC382D41.xml @@ -0,0 +1,163 @@ + + + +Revision of the short-necked Cretaceous plesiosaurians from New Zealand + + + +Author + +O’Gorman, José Patricio +División Paleontología Vertebrados, Museo de La Plata, Universidad Nacional de La Plata, Paseo del Bosque s / n., B 1900 FWA, La Plata (Argentina) & Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, Ciudad Autónoma de Buenos Aires (Argentina) +joseogorman@fcnym.unlp.edu.ar + + + +Author + +Otero, Rodrigo A. +Red Paleontológica U-Chile, Laboratorio de Ontogenia y Filogenia, Departamento de Biología, Facultad de Ciencias, Universidad de Chile, Avenida Las Palmeras, 3425, Santiago (Chile) & Consultora Paleoconsultores Ltda. Huelén 165 C, Providencia, Santiago (Chile) + +text + + +Comptes Rendus Palevol + + +2023 + +2023-03-14 + + +22 + + +6 + + +77 +90 + + + + +http://dx.doi.org/10.5852/cr-palevol2023v22a6 + +journal article +10.5852/cr-palevol2023v22a6 +1777-571X +14223917 +urn:lsid:zoobank.org:pub:AB8DCA69-9BE5-44F1-877D-0E65F73B7186 + + + + + +cf. Polycotylidae + + + + + +( +Fig. 2M +) + + + + + + +Polycotylus tenuis + +– + +Hector 1874: 335 + +, pl. 27. + + + + +Polycotylidae indet +. + +Welles & Gregg 1971: 47 + +. + + + + + +MATERIAL +. + + +NHMUK R838 +, an indeterminate propodium + +. + + + + +LOCALITY +AND +HORIZON +. + +Haumuri Bluff +, +South Island +, +New Zealand +. +Conway Formation, Campanian +( + +Wilson +et al. +2005 + +; +Fig. 1 +). + + + + +REMARKS + + +The general gracile outline ( +Fig. 2M +) of this specimen is consistent with polycotylid propodials, but no clear diagnostic features are observed. The specimen was illustrated by +Hector 1874 +: fig. XXVIIB’, but it was part of an exchange in 1880 ( +Lydekker 1889 +) and it is now in the Natural History Museum (London). The propodium is +22.8 cm +in length ( +9 inches +). It was designated by +Welles & Gregg (1971) +as the +lectotype +of ‘ + +Polycotylus tenuis + +’. The latter authors referred the specimen to +Polycotylidae +indet. Based on its gracility, it probably belongs to a polycotylid. Similar propodials were described from +Australia +and possible polycotylidae affinities were commented ( +Kear 2005 +). However, as no clear diagnostic feature are observed, the specimen is referred as cf. +Polycotylidae +. + + + + \ No newline at end of file diff --git a/data/0A/15/87/0A1587CBFFB375498D79FA4FFEF72C60.xml b/data/0A/15/87/0A1587CBFFB375498D79FA4FFEF72C60.xml new file mode 100644 index 00000000000..27452d385b3 --- /dev/null +++ b/data/0A/15/87/0A1587CBFFB375498D79FA4FFEF72C60.xml @@ -0,0 +1,143 @@ + + + +Revision of the short-necked Cretaceous plesiosaurians from New Zealand + + + +Author + +O’Gorman, José Patricio +División Paleontología Vertebrados, Museo de La Plata, Universidad Nacional de La Plata, Paseo del Bosque s / n., B 1900 FWA, La Plata (Argentina) & Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, Ciudad Autónoma de Buenos Aires (Argentina) +joseogorman@fcnym.unlp.edu.ar + + + +Author + +Otero, Rodrigo A. +Red Paleontológica U-Chile, Laboratorio de Ontogenia y Filogenia, Departamento de Biología, Facultad de Ciencias, Universidad de Chile, Avenida Las Palmeras, 3425, Santiago (Chile) & Consultora Paleoconsultores Ltda. Huelén 165 C, Providencia, Santiago (Chile) + +text + + +Comptes Rendus Palevol + + +2023 + +2023-03-14 + + +22 + + +6 + + +77 +90 + + + + +http://dx.doi.org/10.5852/cr-palevol2023v22a6 + +journal article +10.5852/cr-palevol2023v22a6 +1777-571X +14223917 +urn:lsid:zoobank.org:pub:AB8DCA69-9BE5-44F1-877D-0E65F73B7186 + + + + + +cf. Polycotylidae + + + + + +( +Fig. 2 +I-L) + + + + + + +Polycotylus tenuis + +– + +Hector 1874: 335 + +, pl. 27. + + + + +Polycotylidae indet +. + +Welles & Gregg 1971: 44 + +. + + + + + +MATERIAL +. — + +DM R1548 +, a +juvenile +, indeterminate propodium + +. + + + + +LOCALITY +AND +HORIZON +. + +No information, but almost certainly from +New Zealand +( +Welles & Gregg 1971 +; +Fig. 1 +). + + + + +REMARKS + + +Based on its gracility, DM R1548 probably belongs to a polycotylid. It must be noted that the coeval plesiosaur record from +New Zealand +includes a very unusual, still indeterminate elasmosaurid (CMZfr 159) that possesses a distinctively elongate propodial ( + +Hiller +et al. +2014 + +: fig. 7), although not so slender as the DM R1548. Similar unusually elongate propodials are known from the late Aptian of +Australia +, and have also been compared with polycotylids (see +Kear 2005 +: fig. 3A, B). Based on these possibilities, we refer it, with doubts, to cf. +Polycotylidae +. + + + + \ No newline at end of file diff --git a/data/0A/15/87/0A1587CBFFB4754E8817FA2EFB5C2C80.xml b/data/0A/15/87/0A1587CBFFB4754E8817FA2EFB5C2C80.xml new file mode 100644 index 00000000000..f5642967cc7 --- /dev/null +++ b/data/0A/15/87/0A1587CBFFB4754E8817FA2EFB5C2C80.xml @@ -0,0 +1,155 @@ + + + +Revision of the short-necked Cretaceous plesiosaurians from New Zealand + + + +Author + +O’Gorman, José Patricio +División Paleontología Vertebrados, Museo de La Plata, Universidad Nacional de La Plata, Paseo del Bosque s / n., B 1900 FWA, La Plata (Argentina) & Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, Ciudad Autónoma de Buenos Aires (Argentina) +joseogorman@fcnym.unlp.edu.ar + + + +Author + +Otero, Rodrigo A. +Red Paleontológica U-Chile, Laboratorio de Ontogenia y Filogenia, Departamento de Biología, Facultad de Ciencias, Universidad de Chile, Avenida Las Palmeras, 3425, Santiago (Chile) & Consultora Paleoconsultores Ltda. Huelén 165 C, Providencia, Santiago (Chile) + +text + + +Comptes Rendus Palevol + + +2023 + +2023-03-14 + + +22 + + +6 + + +77 +90 + + + + +http://dx.doi.org/10.5852/cr-palevol2023v22a6 + +journal article +10.5852/cr-palevol2023v22a6 +1777-571X +14223917 +urn:lsid:zoobank.org:pub:AB8DCA69-9BE5-44F1-877D-0E65F73B7186 + + + + + +Polycotylidae indet +. + + + + + +( +Fig. 2 +A-D) + + + + + +Pliosauridae gen. et sp. indet. +– + +Wiffen & Moisley 1986: 243 + +. + + + + + +MATERIAL +. — + +NPC CD 459 +, anterior cervical vertebra + +. + + + + +LOCALITY +AND +HORIZON +. — +Mangahouanga Stream +, a northern tributary of +Te Hoe River +, inland +Hawke’s Bay +, North Island, +New Zealand +. Maungataniwha Sandstone Member of the Tahora Formation, upper Campanian-lower Maastrichtian ( +Vajda & Raine 2010 +; +Fig. 1 +). + + + + +REMARKS + + +NPC CD 459 possesses amphicelous articular facets, a large neural canal (near the half of the centrum breadth), high neural pedicels and pre- and postzygapophyses as broad as the centrum, which are traits commonly found among cervical vertebrae of polycotylids ( +Sato & Storrs 2000 +; + +Salgado +et al. +2007 + +; + +Sato +et al. +2018 + +). NPC CD 459 was initially described by +Wiffen & Moisley (1986) +, being then referred as an indeterminate pliosaurid. At that moment, polycotylids were considered as part of the clade Pliosauroidea +Welles 1943 +. This systematic placement of +Polycotylidae +was not questioned until +O’Keefe (2001) +recognized closer affinities to cryptoclidids and “cimoliasaurids” for this clade, based on large-scale phylogenetic analyses. A growing body of evidence currently recognizes the +Polycotylidae +as the sister taxon of + +Leptocleididae +Benson & Druckenmiller, 2014 + +and part of the larger clade Leptocleidia. In addition, the +Pliosauridae +as currently understood were extinct by the Campanian-Maastrichtian ( +Druckenmiller & Russell 2008 +; +Benson & Druckenmiller 2014 +). + + + + \ No newline at end of file