> >

Alwalkeria Items

Alwalkeria News

alwalkeria: carnivore dinosaur from the Triassic era

Alwalkeria Facts

Pronunciation: al-WAL-ker-ee-ah

Name meaning: Named after palaeontologist Alick Walker

Diet	Carnivore
Height	0.5m
Length	1.5m
Weight	5 kg
Environment	Land
Era	Triassic
Period	Triassic
Type	Other
Location	India

Alwalkeria is a historically problematic prehistoric reptile from the Late Triassic period, approximately 237 million years ago. Originally thought to be an early dinosaur, this creature has become one of palaeontology's most challenging puzzle cases, as scientists now recognise that the fossils attributed to Alwalkeria actually belong to several different animals that lived in what is now India.

When first discovered in the Lower Maleri Formation of India, Alwalkeria was initially classified as a small theropod dinosaur, similar to early predators like Coelophysis. The fossil remains included a partial skull, several vertebrae, and fragmentary leg bones. However, subsequent research revealed that these bones didn't all belong to the same type of animal - some may have come from an early dinosaur, whilst the skull likely belonged to a pseudosuchian, a group that includes crocodile relatives.

The creature was originally named Walkeria in honour of British palaeontologist Alick Walker, but this name was already in use for another animal, so it was renamed Alwalkeria. Recent studies have suggested various possibilities for what Alwalkeria actually represents, with some researchers proposing it might be related to lagerpetids - small, agile reptiles that were close relatives of dinosaurs and pterosaurs.

This taxonomic confusion highlights the challenges palaeontologists face when working with fragmentary fossils from the Triassic period, when many different groups of reptiles were evolving rapidly and often looked quite similar to one another.

What made Alwalkeria distinctive?

Based on the fragmentary remains, Alwalkeria would have been a small, lightly built reptile with long legs adapted for running. However, since the fossils represent a mixture of different animals, no reliable distinguishing features can be confidently attributed to a single creature.

Behaviour

Due to the uncertain nature of the fossils, Alwalkeria's behaviour remains largely unknown. If it was indeed a small carnivorous reptile as originally thought, it would likely have been an active predator that hunted insects and small prey in the Triassic landscapes of ancient India.

Fun Facts About Alwalkeria

Alwalkeria had to be renamed because its original name 'Walkeria' was already taken by a type of bird
The fossils attributed to Alwalkeria actually come from at least two completely different types of animals
Alwalkeria represents one of the earliest potential dinosaur discoveries from India, even though its identity remains uncertain
The skull originally thought to belong to Alwalkeria likely came from a crocodile relative rather than a dinosaur
Some scientists have suggested that parts of Alwalkeria might belong to lagerpetids, mysterious reptiles that could run on their hind legs

Scientific Classification

Phylum	Chordata
Class	Saurischia
Genus	Alwalkeria

Discovery

Alwalkeria was first described by Sankar Chatterjee in 1987. The original fossils were discovered at Lower Maleri Formation, Andhra Pradesh, India.

Alwalkeria FAQ

What did Alwalkeria eat?

If Alwalkeria was indeed a carnivore as originally thought, it would have eaten insects, small reptiles, and other prey available in Triassic India. However, since the fossils represent multiple animals, its actual diet remains uncertain.

How big was Alwalkeria?

Based on the fragmentary remains, Alwalkeria was estimated to be around 1.5 metres long, about 0.5 metres tall, and weighed approximately 5 kilograms. However, these measurements are highly uncertain due to the mixed nature of the fossils.

When did Alwalkeria live?

Alwalkeria lived during the Late Triassic period, approximately 237 million years ago, in what would become India.

Where was Alwalkeria found?

Alwalkeria was discovered in the Lower Maleri Formation in Andhra Pradesh, India, representing one of the earliest potential dinosaur finds from the Indian subcontinent.

How do you pronounce Alwalkeria?

Alwalkeria is pronounced 'al-WAL-ker-ee-ah', with emphasis on the second syllable.

What does Alwalkeria mean?

Alwalkeria is named after British palaeontologist Alick Walker, who made significant contributions to early reptile research.

How fast could Alwalkeria run?

The running speed of Alwalkeria is unknown due to the fragmentary and mixed nature of the fossil remains.

What type of dinosaur was Alwalkeria?

Alwalkeria's classification is highly uncertain. It was originally thought to be an early theropod dinosaur, but scientists now believe the fossils represent multiple different animals, and it may not have been a dinosaur at all.

Was Alwalkeria related to birds?

If Alwalkeria was indeed a dinosaur as originally thought, it would share a distant relationship with birds. However, given the uncertain classification, its relationship to birds remains unclear.

How many Alwalkeria fossils have been found?

Only one set of fragmentary fossils has been attributed to Alwalkeria, consisting of a partial skull, several vertebrae, and leg bone fragments, though these likely represent multiple different animals.