Agnostic.com

Paleontology, Archeology, and Anthropology

A for people who are interested in paleontology, archeology, and anthropology. Pseudoscience, ancient aliens, etc. discouraged.

A for people who are interested in paleontology, archeology, and anthropology. Pseudoscience, ancient aliens, etc. discouraged.

Posts Tagged "extinction" By Druvius (37) Posts by members only

Paleontology, Archeology, and Anthropology
Mar 2, 2022Mar 2022

Posted by JoeB
Determining the time of year when the Chicxulub Impactor fell. The end-Cretaceous extinction event wiped out 76% of known species on Earth, but was strangely selective in the way it did so. The non-Avian Dinosaurs were ...
1 comment
Paleontology, Archeology, and Anthropology
Aug 28, 2021Aug 2021

Posted by JoeB
Understanding ocean chemistry in the Western Interior Seaway during the Cenomanian–Turonian Extinction Event. The boundary between the Cenomanian and Turonian stages of the Cretaceous Period is marked by a mass ...
1 comment
Paleontology, Archeology, and Anthropology
Dec 10, 2020Dec 2020

Posted by JoeB
Evidence for two separate dispersals of Neanderthals into southern Siberia The period of existence of Neanderthals, their geographical range, and the timing of their dispersal and extinction are key issues in the study ...
4 comments
Paleontology, Archeology, and Anthropology
Dec 5, 2020Dec 2020

Posted by JoeB
Considering a supernova as the possible cause of the End Devonian Extinction. The Late Devonian biodiversity crisis is characterized by a protracted decline in speciation rate occurring over millions of years, ...
0 comments
Paleontology, Archeology, and Anthropology
Nov 17, 2020Nov 2020

Posted by JoeB
Lestodon armatus: Understanding the ecology and behaviour of a Late Pleistocene Ground Sloth from the Argentine Pampas. In recent years there have been multiple studies on the Quaternary South American Megamammals ...
1 comment
Paleontology, Archeology, and Anthropology
Nov 13, 2020Nov 2020

Posted by JoeB
Bite marks on the tibia of a Giant Sloth from the Miocene of Peru. Following the extinction of non-avian dinosaurs, the largest Cainozoic continental predator was neither a Mammal nor a Bird, but the Giant Caiman ...
3 comments
Paleontology, Archeology, and Anthropology
Nov 4, 2020Nov 2020

Posted by JoeB
Trying to decipher the evolution of flight in Bats. Powered flight has evolved in four Animal groups independently, Insects, Pterosaurs, Birds, and Bats, potentially with more than one origin of flight in each of these...
3 comments
Paleontology, Archeology, and Anthropology
Oct 22, 2020Oct 2020

Posted by JoeB
Looking for the origin of the Rhinocerotoids. Both morphological and molecular studies support the idea that Rhinocerotoidea and Tapiroidea form a monophyletic group Ceratomorpha. The Ceratomorphs have abundant, diverse...
0 comments
Paleontology, Archeology, and Anthropology
Aug 14, 2020Aug 2020

Posted by t1nick
Ancient Genomes Suggest the Real Reason Woolly Rhinos Went Extinct By Cell Press on Aug 13, 2020 The extinction of prehistoric megafauna like the woolly mammoth, cave lion, and woolly rhinoceros at the end of the last ice age has often been ...
1 comment
Paleontology, Archeology, and Anthropology
May 31, 2020May 2020

Posted by JoeB
Soft-tissue preservation in Cloudinomorphs from the terminal Ediacaran Period of Nevada. Commonly envisaged as a prelude to the Cambrian Explosion, the terminal interval of the Ediacaran Period (roughly 550–539 ...
3 comments
Paleontology, Archeology, and Anthropology
Mar 23, 2020Mar 2020

Posted by JoeB
Dynamosuchus collisensis: A new species of Ornithosuchid Pseudosuchian from the Late Triassic Santa Maria Formation of Rio Grande do Sul, Brazil. The radiation of Pseudosuchian Archosaurs during the Triassic Period is ...
1 comment
Paleontology, Archeology, and Anthropology
Jan 23, 2020Jan 2020

Posted by JoeB
Fluctuations in mercury and organic carbon in the peatlands of southwest China before the End Permian Extinction. Carbon has two stable isotopes, carbon¹² and carbon¹³, of which plants preferentially incorporate ...
1 comment
Paleontology, Archeology, and Anthropology
Jan 11, 2020Jan 2020

Posted by JoeB
Understanding Climate Change and Ocean Acidification before and using the End Cretaceous Extinction by using calcium isotopes from Mollusc shells. Debate persists about the causes of the Cretaceous-Paleogene mass ...
6 comments
Paleontology, Archeology, and Anthropology
May 15, 2019May 2019

Posted by AnonySchmoose
The big five mass extinctions "Biologists suspect we’re living through the sixth major mass extinction. Earth has witnessed five, when more than 75% of species disappeared. Palaeontologists spot them when species go missing from the global ...
1 comment

Photos 292 More

Posted by JoeBKite-like structures in the western Sahara Desert.

Posted by TriphidAn Aussie Indigenous Message Stick.

Posted by TriphidIndigenous Australian Aboriginal Rock art dated somewhere between 20 and 30 thousand years old.

Posted by TriphidIndigenous Australian Aboriginal Rock art dated somewhere between 20 and 30 thousand years old.

Posted by TriphidIndigenous Australian Aboriginal Rock art dated somewhere between 20 and 30 thousand years old.

Posted by TriphidIndigenous Australian Aboriginal Rock art dated somewhere between 20 and 30 thousand years old.

Posted by JoeBDortoka vremiri: A new species of Dortokid Turtle from the Late Cretaceous of the Hațeg Basin, Romania.

Posted by JoeBThe Cabeço da Amoreira burial: An Early Modern Era West African buried in a Mesolithic shell midden in Portugal.

Posted by JoeBMusivavis amabilis: A new species of Enantiornithine Bird from the Early Cretaceous Jehol Biota of northeastern China.

Posted by JoeBTorosaurus in Canada.

Posted by JoeBStone tools from the Borselan Rock Shelter, in the Binalud Mountains of northeastern Iran.

Posted by JoeBDating the Lantian Biota.

Posted by JoeBBashanosaurus primitivus: A new species of Stegosaur from the Middle Jurassic of Chongqing Municipality, China.

Posted by JoeBDetermining the time of year when the Chicxulub Impactor fell.

Posted by JoeBSão Tomé and Príncipe: Possibly the last country on Earth never to have been visited by a working archaeologist.

Posted by JoeBMambawakale ruhuhu: A new species of Pseudosuchian Archosaur from the Middle Triassic Manda Beds of Tanzania.

  • Top tags#ancient #species #evidence #dinosaurs #world #animals #evolution #China #video #Australia #discovery #humans #Present #ancestors #god #Europe #university #evolutionary #birds #relationship #extinction #reason #DNA #climate #hope #earth #religious #kids #museum #book #cultural #evolved #origins #USA #friends #fish #burial #death #Antarctica #laws #genetic #Organic #mother #community #religion #Atheist #dogs #novels #Christian #truth ...

    Members 665Top

    Moderator