Results 51 to 60 of about 282 (138)
Budowa jamy nosowej i gebowej dinozaurów Protoceratopsidae (Ceratopsia, Ornithischia) [PDF]
, 1986 Snout is very deep and laterally compressed in the Protoceratopsidae. Oral cavity is highly vaulted longitudinally and transversely. It wedges into the middle of the nasal chamber dorsally causing that ventral portion of the latter parallels oral cavity ...
Osmolska, H.
core
Palaeontology, Volume 67, Issue 1, January/February 2024.Abstract Adaptation to specialist ecological niches is a key innovation that has contributed to the evolutionary success of many vertebrate clades, underpinning the acquisition of diverse skull morphologies. Dinosaurs, which dominated Mesozoic terrestrial faunas, acquired herbivory multiple times, and evolution of these herbivorous adaptations is ...
Callum Kunz, Manabu Sakamoto
wiley +1 more source
Historical BiologyArchaeoceratops oshimai Dong & Azuma, 1997, is a representative early-diverging neoceratopsian dinosaur excavated from the Lower Cretaceous Xinminpu Group in the Mazongshan area of Gansu Province, China. As one of the basal members, it plays a critical role in understanding the origin and early evolution of horned dinosaurs.
Yan-Chao Wang +2 more
openaire +1 more source
, 2018 Ceratopsians were herbivorous dinosaurs that dominated many of the terrestrial ecosystems in Asia and North America during the Cretaceous. The bizarre variety of skulls and lower jaw morphologies as well as the inferred ecological abundance of many ...
Tassos Kotsakis +14 more
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Comparative anatomy and the masticatory system of basal Ceratopsia (Ornithischia, Dinosauria)
, 2008 The Ceratopsia is one of the dominant herbivorous dinosaur taxa in Cretaceous terrestrial ecosystems of Asia and western North America. Ceratopsians achieved an extreme adaptation in history of vertebrate herbivory, namely the vertical shear of dental ...
Tanoue, Kyo
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O filogenezie dinozaurów ptasiomiedniczych (Ornithischia) [PDF]
, 1985 The ornithischian dinosaurs are analysed using the cladistic methodology. The preferred hypothesis (see fig. 1) is that: 1. Ornithischia are monophyletic, 2. Ankylosauria are sister group of all other ornithischians, 3.
Osmolska, H., Maryanska, T.
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New protoceratopsid specimens improve the age correlation of the Upper Cretaceous Gobi Desert strata [PDF]
, 2020 New protoceratopsid (Dinosauria: Ceratopsia) specimens from two Late Cretaceous Mongolian localities with problematic stratigraphy are described. A specimen of Protoceratops andrewsi from the Zamyn Khond locality enables its correlation with other sites ...
Czepiński, L.
core +1 more source
, 1976 Order Ornithischia Suborder Ceratopsia Family Ceratopsidae Genus Torosaurus Marsh, 1891 Remarks.— There are three shapes to the frills of ceratopsia with fenestrated parietals, 1) triangular, found in Protoceratops, Chasmosaurus, and Pentaceratops ...
Lawson, Douglas A.
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A nest ofProtoceratops andrewsi(Dinosauria, Ornithischia)
, 2011 A remarkable specimen of the small neoceratopsian dinosaurProtoceratops andrewsi(Late Cretaceous, Mongolia) reveals the first nest of this genus, complete with fifteen juveniles.
Weishampel, D. B. +11 more
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