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The ischial tuberosity (or tuberosity of the ischium, tuber ischiadicum), also known colloquially as the sit bones or sitz bones, [1] or as a pair the sitting bones, [2] is a large posterior bony protuberance on the superior ramus of the ischium. It marks the lateral boundary of the pelvic outlet.
This list of fossil sites is a worldwide list of localities known well for the presence of fossils.Some entries in this list are notable for a single, unique find, while others are notable for the large number of fossils found there.
An example of a multicomponent site would be American Civil War earthworks constructed at the same location as a prehistoric Mississippian village. The cultural affiliation category in the list below refers only to periods in which the most significant occupation or event (e.g., a battle) took place at the site.
The Hartley Mammoth Site is a pre-Clovis archaeological and paleontological site in New Mexico.Preserving the butchered remains of two Columbian mammoths, small mammals and fish, the site is notable due to its age (~37,500 BP), which is significantly older than the currently accepted dates for the settlement of the Americas.
The ischium (/ ˈ ɪ s k i. ə m /; [1] pl.: ischia) forms the lower and back region of the hip bone (os coxae). Situated below the ilium and behind the pubis, it is one of three regions whose fusion creates the coxal bone. The superior portion of this region forms approximately one-third of the acetabulum.
Bite-marks on some bones show that local predators (the carnivorous bone-crunching dog Aelurodon) scavenged some of the carcasses, but no predator remains have yet surfaced. There are also abundant clues to the region's ecology, indicating a savanna of grassland interspersed with trees that luxuriated in a warmer, milder climate than today's.
Jebel Irhoud or Adrar n Ighoud (Standard Moroccan Tamazight: ⴰⴷⵔⴰⵔ ⵏ ⵉⵖⵓⴷ, romanized: Adrar n Iɣud; Arabic: جبل إيغود, Moroccan Arabic: žbəl iġud), is an archaeological site located just north of the town of Tlet Ighoud in Youssoufia Province, approximately 50 km (30 mi) south-east of the city of Safi in Morocco.
The Bontnewydd palaeolithic site (Welsh: [bɔntˈnɛuɨ̯ð]), also known in its unmutated form as Pontnewydd (Welsh for 'new bridge'), is an archaeological site near St Asaph, Denbighshire, Wales.