Alwalkeria ("for Alick Walker") is a genus of basal saurischian dinosaur from the Late Triassic of India. It was a small bipedal omnivore. This dinosaur was originally named Walkeria maleriensis by Sankar Chatterjee in 1987, in honor of famous British paleontologist Alick Walker and the Maleri Formation, in which its fossils were found. However, the original generic name was found to be preoccupied by a bryozoan. A new name was created in 1994 by Chatterjee and Ben Creisler.
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- Alwalkeria ("for Alick Walker") is a genus of basal saurischian dinosaur from the Late Triassic of India. It was a small bipedal omnivore. This dinosaur was originally named Walkeria maleriensis by Sankar Chatterjee in 1987, in honor of famous British paleontologist Alick Walker and the Maleri Formation, in which its fossils were found. However, the original generic name was found to be preoccupied by a bryozoan. A new name was created in 1994 by Chatterjee and Ben Creisler. Remains of Alwalkeria have been recovered from the Maleri Formation of Andhra Pradesh, India. This is a Late Triassic geologic formation. Indeterminate prosauropod material has also been found in the Maleri, but Alwalkeria is the only named dinosaur species. The one known specimen is partial and consists of parts of the front ends of the upper and lower jaws, 28 incomplete vertebrae from all parts of the spinal column, most of a femur (thigh bone), and an astragalus (ankle bone). The partial skull is about 4 centimeters long (1.5 in). Although material of Alwalkeria is limited, the spacing and shape of the teeth strongly resemble those of Eoraptor. As in Eoraptor, a gap separates the teeth of the premaxillary and the maxillary bones of the upper jaw. Other similarities in the skull of the two animals also link them on morphologic grounds (Langer 2004). Alwalkeria has not been included in a cladistic analysis, but its similarities to Eoraptor suggest it may have held a similar position in the dinosaur family tree. However, the position of Eoraptor is disputed. One recent analysis finds it within the order Saurischia, but basal to the Theropoda-Sauropodomorpha split (Langer 2004). Paul Sereno finds instead that Eoraptor is a basal theropod (Sereno 1999). Others place Eoraptor outside of Dinosauria completely (Fraser et al. 2002). This dinosaur also has a heterodont dentition in the upper jaw, meaning that the teeth are differently shaped depending on their position within the jaw. Similarly to Eoraptor and basal sauropodomorphs, the front teeth are slender and straight, while the teeth in the sides of the jaw are curved backwards like those of predatory theropods, although none are serrated. This arrangement of teeth is neither clearly herbviorous nor clearly carnivorous, which suggests that this dinosaur was an omnivore with a varied diet, including insects, small vertebrates, and plant material. Several features make Alwalkeria unique among basal dinosaurs. Besides its unserrated teeth, and the mandibular symphysis is proportionally wider than almost any other known dinosaur. Also, there is a very large articulation between the fibula and the ankle.
- Alwalkeria maleriensis ist ein zweibeiniger (bipeder) fleischfressender Dinosaurier, der wahrscheinlich als basale Art zur Gruppe der Theropoden gehörte. Von Alwalkeria wurden Teile des Schädels, Reste seiner Wirbelknochen und Teile des Oberschenkelknochens gefunden. Alwalkeria war etwa so groß wie ein Truthahn und vermutlich Allesfresser.
- Alwalkeria maleriensis és una espècie de dinosaure saurisqui basal que va viure al Triàsic superior en el que avui en dia és l'Índia. Era un omnívor petit i bípede.
- Alwalkeria ("de A. Walker") es un género de dinosaurio saurisquio basal cercano al Eoraptor que vivió a finales del Triásico, hace aproximadamente 220 millones de años, en el Carniano, lo que es hoy la India. Los restos Alwalkeria fueron recobrados de la Formación Maleri de Andhra Pradesh, India. De la misma formación del Triásico superior se conoce material de un prosaurópodo que todavía no tiene nombre.
- Alwalkeria était un petit omnivore bipède qui vivait à la fin du Trias (Carnien au Norien) en Inde.
- Precedentemente conosciuto come Walkeria, questo dinosauro è stato scoperto negli anni ’80 in strati del Triassico superiore in India. Da quello che gli scarsi resti fossili (comprendenti un cranio mal conservato) permettono di capire, Alwalkeria maleriensis era un piccolo predatore bipede, con collo e coda lunghi e una corporatura piuttosto esile. La lunghezza dell'intero animale non doveva superare il metro e venti.
- Alwalkeria (Alwalkeria maleriensis) – dinozaur, jeden z najstarszych teropodów. Żył w okresie późnego triasu (ok. 228-203 mln lat temu) na terenach subkontynentu indyjskiego w towarzystwie ssakokształtnych gadów, którymi zapewne się żywił. Długość ciała ok. 1 m, ciężar ok. 3 kg. Jego szczątki znaleziono w Indiach. Jest to mały, mięsożerny teropod, żyjący w triasie około 220 milionów lat temu. Słabo znany dzisiejszym paleontologom, sklasyfikowany jedynie na podstawie kilku kości, mógł być jednym z pierwszych dinozaurów żyjących w Azji, gdzie go odkryto. Żył w towarzystwie ssakokształtnych gadów, którymi zapewne się żywił. Zamieszkiwał naszą planetę miliony lat przed tym, gdy na Ziemi zapanowała era dinozaurów i ich rozkwit.
- Alwalkeria maleriensis ("Al Walkers från Maleri") är en art av dinosaurier som tillhör släktet Alwalkeria, en basal ödlehöftad dinosaurie från yngre trias i det som idag är Indien. Den var en liten, tvåbent allätare.
- 艾沃克龙(學名Alwalkeria),是蜥臀目基底恐龍的屬,生活於三疊紀晚期的印度。牠是小型的雙足雜食性恐龍。
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- *''A. maleriensis'' (Chatterjee, 1986 [originally ''Walkeria''])
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- Alwalkeria ("for Alick Walker") is a genus of basal saurischian dinosaur from the Late Triassic of India. It was a small bipedal omnivore. This dinosaur was originally named Walkeria maleriensis by Sankar Chatterjee in 1987, in honor of famous British paleontologist Alick Walker and the Maleri Formation, in which its fossils were found. However, the original generic name was found to be preoccupied by a bryozoan. A new name was created in 1994 by Chatterjee and Ben Creisler.
- Alwalkeria maleriensis ist ein zweibeiniger (bipeder) fleischfressender Dinosaurier, der wahrscheinlich als basale Art zur Gruppe der Theropoden gehörte. Von Alwalkeria wurden Teile des Schädels, Reste seiner Wirbelknochen und Teile des Oberschenkelknochens gefunden. Alwalkeria war etwa so groß wie ein Truthahn und vermutlich Allesfresser.
- Alwalkeria maleriensis és una espècie de dinosaure saurisqui basal que va viure al Triàsic superior en el que avui en dia és l'Índia. Era un omnívor petit i bípede.
- Alwalkeria ("de A. Walker") es un género de dinosaurio saurisquio basal cercano al Eoraptor que vivió a finales del Triásico, hace aproximadamente 220 millones de años, en el Carniano, lo que es hoy la India. Los restos Alwalkeria fueron recobrados de la Formación Maleri de Andhra Pradesh, India. De la misma formación del Triásico superior se conoce material de un prosaurópodo que todavía no tiene nombre.
- Alwalkeria était un petit omnivore bipède qui vivait à la fin du Trias (Carnien au Norien) en Inde.
- Precedentemente conosciuto come Walkeria, questo dinosauro è stato scoperto negli anni ’80 in strati del Triassico superiore in India. Da quello che gli scarsi resti fossili (comprendenti un cranio mal conservato) permettono di capire, Alwalkeria maleriensis era un piccolo predatore bipede, con collo e coda lunghi e una corporatura piuttosto esile. La lunghezza dell'intero animale non doveva superare il metro e venti.
- Alwalkeria (Alwalkeria maleriensis) – dinozaur, jeden z najstarszych teropodów. Żył w okresie późnego triasu (ok. 228-203 mln lat temu) na terenach subkontynentu indyjskiego w towarzystwie ssakokształtnych gadów, którymi zapewne się żywił. Długość ciała ok. 1 m, ciężar ok. 3 kg. Jego szczątki znaleziono w Indiach. Jest to mały, mięsożerny teropod, żyjący w triasie około 220 milionów lat temu.
- Alwalkeria maleriensis ("Al Walkers från Maleri") är en art av dinosaurier som tillhör släktet Alwalkeria, en basal ödlehöftad dinosaurie från yngre trias i det som idag är Indien. Den var en liten, tvåbent allätare.
- 艾沃克龙(學名Alwalkeria),是蜥臀目基底恐龍的屬,生活於三疊紀晚期的印度。牠是小型的雙足雜食性恐龍。
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- Alwalkeria
- Alwalkeria
- Alwalkeria maleriensis
- Alwalkeria
- Alwalkeria maleriensis
- Alwalkeria maleriensis
- Alwalkeria
- Alwalkeria maleriensis
- 艾沃克龙
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