| Varanus hooijeri Temporal range: Late Pleistocene-Holocene | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Family: | Varanidae |
| Genus: | Varanus |
| Species: | †V. hooijeri |
| Binomial name | |
| †Varanus hooijeri Brongersma, 1958 | |
Varanus hooijeri is an extinct species of medium-sized monitor lizard found in Liang Bua on Flores and possibly also Sumba, dating to the Late Pleistocene and Holocene.
It was described in 1958 by Leo Daniël Brongersma on the island of Flores in Indonesia. [1] In 2021 two maxilla bones from each having four teeth from Liang Lawuala on Sumba, were assigned to V. cf. hooijeri, suggesting that it inhabited Sumba as well. [2]
Varanus hooijeri is a medium-sized varanid, at around 1.5 metres (4.9 ft) long, [3] around the size of a living Nile monitor. [4] The teeth are blunt and wide (bunodont), unlike the sharp, curved teeth typically seen in other monitor lizards. [2] This has been assessed as adapted for a frugivore diet supplemented by small mammals and insects. [2]
Varanus hooijeri lived with another, much larger, monitor lizard, the modern day Komodo dragon. Due to its frugivore diet it would have niche partitioned with the larger animal, although it may have been prey for the latter.
It also lived with the dwarf proboscidean Stegodon florensis , [5] the large stork Leptoptilos robustus , [6] the cat-sized Flores giant rat [7] and the dwarf hominid Homo floresiensis . [8]
The youngest remains of the species date to the Holocene. [2] [9]
Flores is one of the Lesser Sunda Islands, a group of islands in the eastern half of Indonesia. Including the Komodo Islands off its west coast, the land area is 15,530.58 km2, and the population was 1,878,875 in the 2020 Census ; the official estimate as at mid 2021 was 1,897,550. The largest towns are Maumere and Ende. The name Flores is the Portuguese and Spanish word for "Flowers".
The Komodo dragon, also known as the Komodo monitor, is a member of the monitor lizard family Varanidae that is endemic to the Indonesian islands of Komodo, Rinca, Flores, and Gili Motang. It is the largest extant species of lizard, growing to a maximum length of 3 m (9.8 ft), and weighing up to 70 kg (150 lb).
The eyebrowed thrush is a member of the thrush family Turdidae. The scientific name comes from Latin Turdus, "thrush" and obscurus "dark".
Homo floresiensis( also known as "Flores Man") is an extinct species of small archaic human that inhabited the island of Flores, Indonesia, until the arrival of modern humans about 50,000 years ago.
Stegodon is an extinct genus of proboscidean, related to elephants. It was originally assigned to the family Elephantidae along with modern elephants but is now placed in the extinct family Stegodontidae. Like elephants, Stegodon had teeth with plate-like lophs that are different from those of more primitive proboscideans like gomphotheres and mastodons. The oldest fossils of the genus are found in Late Miocene strata in Asia, likely originating from the more archaic Stegolophodon, shortly afterwards migrating into Africa. While the genus became extinct in Africa during the Pliocene, Stegodon remained widespread in Asia until the end of the Pleistocene.
Liang Bua is a limestone cave on the island of Flores, Indonesia, slightly north of the town of Ruteng in Manggarai Regency, East Nusa Tenggara. The cave demonstrated archaeological and paleontological potential in the 1950s and 1960s as described by the Dutch missionary and archaeologist Theodor L. Verhoeven.
Leptoptilos is a genus of very large tropical storks, also known as the adjutant bird. The name means thin (lepto) feather (ptilos). Two species are resident breeders in southern Asia, and the marabou stork is found in Sub-Saharan Africa.
Insular dwarfism, a form of phyletic dwarfism, is the process and condition of large animals evolving or having a reduced body size when their population's range is limited to a small environment, primarily islands. This natural process is distinct from the intentional creation of dwarf breeds, called dwarfing. This process has occurred many times throughout evolutionary history, with examples including dinosaurs, like Europasaurus and Magyarosaurus dacus, and modern animals such as elephants and their relatives. This process, and other "island genetics" artifacts, can occur not only on islands, but also in other situations where an ecosystem is isolated from external resources and breeding. This can include caves, desert oases, isolated valleys and isolated mountains. Insular dwarfism is one aspect of the more general "island effect" or "Foster's rule", which posits that when mainland animals colonize islands, small species tend to evolve larger bodies, and large species tend to evolve smaller bodies. This is itself one aspect of island syndrome, which describes the differences in morphology, ecology, physiology and behaviour of insular species compared to their continental counterparts.
Post-canine megadontia is a relative enlargement of the molars and premolars compared to the size of the incisors and canines. This phenomenon is seen in some early hominid ancestors such as Paranthropus aethiopicus.
Dean Falk is an American academic neuroanthropologist who specializes in the evolution of the brain and cognition in higher primates. She is the Hale G. Smith Professor of Anthropology and a Distinguished Research Professor at Florida State University.
Theodorus (Theo) Lambertus Verhoeven, SVD, was a Dutch missionary and archaeologist who has become famous by his discovery of stone tools on the Indonesian island of Flores, in association with the c. 800,000-year-old fossils of stegodontids, or dwarf elephants, from which he concluded that islands in Wallacea had been reached by Homo erectus before modern humans appeared there.
William L. Jungers is an American anthropologist, Distinguished Teaching Professor and the Chair of the Department of Anatomical Sciences at State University of New York at Stony Brook on Long Island, New York. He is best known for his work on the biomechanics of bipedal locomotion in hominids such as the 3.4-million-year-old Lucy, and the 6.1- to 5.8-million-year-old Millennium Man Orrorin tugenensis. He devoted much of his career to the study of the lemurs of Madagascar, especially giant extinct subfossil forms such as Megaladapis. More recently, Jungers has been a subject of media attention due to his analysis of the remains of Homo floresiensis, which he believes to be legitimate members of a newly discovered species based on remains of the shoulder, the wrist, and the feet.
Prehistoric Indonesia is a prehistoric period in the Indonesian archipelago that spanned from the Pleistocene period to about the 4th century CE when the Kutai people produced the earliest known stone inscriptions in Indonesia. Unlike the clear distinction between prehistoric and historical periods in Europe and the Middle East, the division is muddled in Indonesia. This is mostly because Indonesia's geographical conditions as a vast archipelago caused some parts — especially the interiors of distant islands — to be virtually isolated from the rest of the world. West Java and coastal Eastern Borneo, for example, began their historical periods in the early 4th century, but megalithic culture still flourished and script was unknown in the rest of Indonesia, including in Nias, Batak, and Toraja. The Papuans on the Indonesian part of New Guinea island lived virtually in the Stone Age until their first contacts with modern world in the early 20th century. Even today living megalithic traditions still can be found on the island of Sumba and Nias.
Homo luzonensis, also locally called "Ubag" after a mythical caveman, is an extinct, possibly pygmy, species of archaic human from the Late Pleistocene of Luzon, the Philippines. Their remains, teeth and phalanges, are known only from Callao Cave in the northern part of the island dating to before 50,000 years ago. They were initially identified as belonging to modern humans in 2010, but in 2019, after the discovery of more specimens, they were placed into a new species based on the presence of a wide range of traits similar to modern humans as well as to Australopithecus and early Homo.
Leptoptilos robustus is an extinct species of large-bodied stork belonging to the genus Leptoptilos that lived on the island of Flores in Indonesia during the Pleistocene epoch. It stood at about 1.8 metres (5.9 ft) tall and weighed up to an estimated 16 kilograms (35 lb). The majority of the discoveries are concentrated in Liang Bua cave located slightly north of Ruteng in the East Nusa Tenggara province.
Professor Michael John Morwood was a New Zealand archaeologist best known for discovering Homo floresiensis. In 2012, he received the Rhys Jones Medal by the Australian Archaeological Association.
Mata Menge is an early Middle Pleistocene paleoanthropological site located in the Ola Bula Formation in the So'a Basin on the island of Flores, Indonesia. Lithic artefacts and hominin remains have been discovered at the site. The level of sophistication of the Mata Menge lithic artefacts is described as being 'simple'.
The region of Southeast Asia is considered a possible place for the evidence of archaic human remains that could be found due to the pathway between Australia and mainland Southeast Asia, where the migration of multiple early humans has occurred out of Africa. One of many pieces of evidence is of the early human found in central Java of Indonesia in the late 1800s by Eugene Dubois, and later in 1937 at Sangiran site by G.H.R. van Koenigswald. These skull and fossil materials are Homo erectus, named Pithecanthropus erectus by Dubois and Meganthropus palaeojavanicus by van Koenigswald. They were dated to c. 1.88 and 1.66 Ma, as suggested by Swisher et al. by analysis of volcanic rocks.
Leptoptilos falconeri is an extinct species of large-bodied Leptoptilini stork that existed during the Pliocene, having persisted until just over 2.58 million years ago. Although not the oldest fossil species of the genus Leptoptilos it was the first fossil species of the genus to be described. Furthermore, it was the largest known species of stork ever and amongst the tallest and heaviest flying birds known to have existed, having reached at least 2 m in height.