A. ramidus at the Museo Nacional de Ciencias Naturales
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Mammalia
Order:
Primates
Suborder:
Haplorhini
Infraorder:
Simiiformes
Family:
Hominidae
Subfamily:
Homininae
Tribe:
Hominini
Genus:
†Ardipithecus
Species:
†A. ramidus
Binomial name
†Ardipithecus ramidus
(White, Suwa & Asfaw, 1994)
Synonyms
Australopithecus ramidus
Ardipithecus ramidus is a species of australopithecine from the Afar region of Early Pliocene Ethiopia 4.4 million years ago (mya). A. ramidus, unlike modern hominids, has adaptations for both walking on two legs (bipedality) and life in the trees (arboreality). However, it would not have been as efficient at bipedality as humans, nor at arboreality as non-human great apes. Its discovery, along with Miocene apes, has reworked academic understanding of the chimpanzee–human last common ancestor from appearing much like modern-day chimpanzees, orangutans and gorillas to being a creature without a modern anatomical cognate.
The facial anatomy suggests that A. ramidus males were less aggressive than those of modern chimps, which is correlated to increased parental care and monogamy in primates. It has also been suggested that it was among the earliest of human ancestors to use some proto-language, possibly capable of vocalizing at the same level as a human infant. This is based on evidence of human-like skull architecture, cranial base angle and vocal tract dimensions, all of which in A. ramidus are paedomorphic when compared to chimpanzees and bonobos. This suggests the trend toward paedomorphic or juvenile-like form evident in human evolution, may have begun with A. ramidus. Given these unique features, it has been argued that in A. ramidus we may have the first evidence of human-like forms of social behaviour, vocally mediated sociality as well as increased levels of prosociality via the process of self-domestication—all of which seem to be associated with the same underlying changes in skull architecture. A. ramidus appears to have inhabited woodland and bushland corridors between savannas, and was a generalized omnivore.
and 25 Related for: Ardipithecus ramidus information
Ardipithecusramidus is a species of australopithecine from the Afar region of Early Pliocene Ethiopia 4.4 million years ago (mya). A. ramidus, unlike...
sister to Ardipithecusramidus specifically. This means that Australopithecus is distinctly closer related to Ardipithecusramidus than Ardipithecus kadabba...
features compared to A. ramidus. A. kadabba is considered to have been the direct ancestor of A. ramidus, making Ardipithecus a chronospecies. Along with...
compared the skull of A. ramidus with 29 chimpanzee skulls of different ages and found that in numerous features A. ramidus clustered with the infant...
(ARA-VP-6/500) is the designation of the fossilized skeletal remains of an Ardipithecusramidus, thought to be an early human-like female anthropoid 4.4 million...
such as Sahelanthropus tchadensis and Ardipithecusramidus, which along with low body size dimorphism in Ardipithecus and Australopithecus, suggests a reduction...
great ape until the 1994 description of the 4.4-million-year-old Ardipithecusramidus, and a few earlier or contemporary taxa have been described since...
Willow released her first album Ardipithecus on December 11. About her debut album's title, Willow said "ArdipithecusRamidus [sic] Sahelanthropus tchadensis...
tool-related tasks beyond those observed in other hominins. The thumbs of Ardipithecusramidus, an early hominin, are almost as robust as in humans, so this may...
followed by Ardipithecus (5.5–4.4 Ma), with species Ar. kadabba and Ar. ramidus. It has been argued in a study of the life history of Ar. ramidus that the...
descended from or was closely related to Ardipithecusramidus. A. anamensis shows some similarities to both Ar. ramidus and Sahelanthropus. Australopiths shared...
announced that some specimens previously labeled as Ardipithecusramidus made up a different species, Ardipithecus kadabba. In 2015, Haile-Selassie announced another...
range of Australopithecus. It was then given a new genus, Ardipithecus. Ardipithecusramidus was first recognized as a new genus and species in 1994 and...
Yonas; Asfaw, Berhane (2021-12-07). "Canine sexual dimorphism in Ardipithecusramidus was nearly human-like". Proceedings of the National Academy of Sciences...
Important hominin fossils found in the Middle Awash include: Ardipithecus kadabba Ardipithecusramidus Australopithecus afarensis Australopithecus garhi Australopithecus...
hominins Australopithecus afarensis (3.2 million years ago) and Ardipithecusramidus (4.4 million years ago). Human settlements in present-day Ethiopia...
at UC-Berkeley who in 1994 discovered a pre-human fossil, named Ardipithecusramidus, that was then the oldest known, at 4.4 million years. White, Tim...
evidence of hominin bipedalism at that time. Subsequently, older Ardipithecusramidus fossils were found with features that suggest bipedalism. With the...
The jaw of Ardipithecus was very much prognathic. The teeth of Ardipithecusramidus in particular showed that the species was probably an omnivore. The...
away from the discovery site of Ardipithecusramidus, the most modern species of Ardipithecus yet discovered. Ardipithecus was a more primitive hominid,...
Matternes, Jay H.; White, Tim D. (October 2009). "The Great Divides: Ardipithecusramidus Reveals the Postcrania of Our Last Common Ancestors with African...
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