Opisthotonos is a genus of small carnivorous marsupials native to Australia. They are known for their ability to jump over water and land on dry ground with ease. Their bodies are covered with long hair which they use as fur coats or make into clothing. Opisthotonus have been found living in caves, hollow trees, under rocks, and even underground. They are usually solitary animals but do form social groups called “families”. These families live together in a similar way to human tribes. Opisthotonus are very intelligent creatures that communicate using a variety of sounds and gestures. They also use tools such as digging sticks, twigs, leaves, bark from trees and other materials to dig holes and burrows for themselves. When hunting prey they will sometimes eat parts of their own body before eating the meat of their prey.

The Australian marsupial family Opisthotidae consists of two species: the dingo (Canis lupus dingo) and the wallaby (Macropteryx wadsworthi). The name “dingo” comes from its close resemblance to a wolf. The term “wallaby” refers to their appearance, which resembles a large, stocky version of a sheep.

Both species belong to the order Monotremata, which includes all other mammals except humans. Both the dingo and wallaby have pouches similar to kangaroos, which they use for raising young.

The dingo is the largest and fiercest of all wild dogs. Its body is covered with a thick gray coat of fur with white hair on its chest. Dingo can reach a length of up to 2 meters (6.5 feet) and weigh up to 30 kg (66 pounds).

It is extremely aggressive towards humans and will usually attack if provoked. The dingo is also a very loyal animal; it forms life-long relationships with other dingoes, which are called “packs”. As with wolves, the male dingo tends to be larger than the female dingo.

The wallaby has a small head with long, sharp teeth. Its body is covered with gray-brown fur with dark stripes on its back. Like most kangaroos, the wallaby has large, strong hind legs, but much shorter front legs.

The height and length of the wallaby is around 60 centimeters (2 feet). It can weigh up to 12.2 kg (27 pounds). The wallaby is usually a peaceful creature that will not attack unless severely provoked.

The dingo is a wild dog that has become the main predator of native animals in Australia. It originally came to Australia with human settlers. They bred quickly and spread across the continent, driving out all the native predators.

The dingo is closely related to the Middle Eastern gray wolf. It also resembles the African wild dog, but it is not known if they are related.

Dingoes were first introduced to Australia about 4,000 years ago by Asian intruders who brought their pets with them and then abandoned them. The dingo then slowly evolved into the form we know today.

The earliest evidence of humans in Australia dates back to about 50,000 years ago. The first humans were from the Indonesian islands and reached Australia by island hopping. Shortly after they arrived, they began shaping stone tools.

These people were the ancestors of today’s Aborigines, who are also known as “the oldest race on earth.”

The continent of Australia was formed around 45 million years ago.

Sources & references used in this article:

Seizures and opisthotonos after propofol anesthesia by CB DeFriez, HC Wong – Anesthesia & Analgesia, 1992 – journals.lww.com

Opisthotonos following propofol: a nonepileptic perspective and treatment strategy by CR Ries, PJ Scoates, E Puil – Canadian journal of anaesthesia, 1994 – Springer

The type 1 inositol 1, 4, 5-trisphosphate receptor gene is altered in the opisthotonos mouse by VA Street, MM Bosma, VP Demas… – Journal of …, 1997 – Soc Neuroscience

Functional characterization of the type 1 inositol 1, 4, 5-trisphosphate receptor coupling domain SII (±) splice variants and the opisthotonos mutant form by H Tu, T Miyakawa, Z Wang, L Glouchankova, M Iino… – Biophysical journal, 2002 – Elsevier

Molecular genetic analysis of distal mouse chromosome 6 defines gene order and positions of the deafwaddler and opisthotonos mutations by VA Street, LC Robinson, SK Erford, BL Tempel – Genomics, 1995 – Elsevier

Another case report of opisthotonos and propofol by J Gildar – Anesthesia & Analgesia, 1993 – journals.lww.com