Questions tagged [paleontology]
Paleontology (also Palaeontology) is the scientific study of past life. Questions about the biological aspect of paleontology (such as taxonomy and anatomy) are off-topic here and should be asked on biology.stackexchange.com
11
questions with no upvoted or accepted answers
5
votes
0
answers
71
views
When did mosquitoes reach Australia?
When and how did mosquitoes reach Australia?
It's east of the Wallace line, so 'they got there from Asia' is not an obviously unproblematic conclusion.
In general, when and how mosquitoes reached ...
5
votes
1
answer
157
views
Fossil ID: possible fauna fossil, from Perlis, Malaysia
I found this fossil while doing my fieldwork in limestone area. Description below may help to identify it.
Location: NW Perlis, Malaysia (Setul Formation). Hilly Area.
My Observation:
Have a curly ...
4
votes
0
answers
48
views
Why did notosuchians and similar crocodylomorphs thrive in the Jurassic-Cretaceous but fail to compete with adequate mammalian competitors?
Notosuchia has a long and storied past. They seem to have gotten by just fine with dinosaurs dominating the makeup of mid and late Mesozoic megafauna. Despite dinosaurs having more developed and ...
3
votes
0
answers
43
views
Is the Talus (or Astralagus) the most frequently recorded fossil mammal bone?
I was once told by a paleontologist that the talus (or astralagus) bone is one of the most frequently observed fossils among mammals. Can anyone verify if this might be true?
Because of the density ...
2
votes
0
answers
22
views
If the asteroid that wiped out most of the dinosaurs had impacted much closer to the poles, would the extinction event have be smaller?
The case is that, if it landed at the North Pole or the South Pole, the global after-impact effects such as gases and dust spreading through the atmosphere, earthquakes, tsunamis, volcanism and ...
2
votes
0
answers
556
views
Why are Lomekwian tools considered different from Oldowan tools?
I just read this short article from Scientific American: Archaeologists Take Wrong Turn, Find World's Oldest Stone Tools about Sonia Harmand's discoveries. The last sentence is:
Harmand says the ...
1
vote
0
answers
45
views
(Fósil hallado en Zapala, Neuquén) Fossil found in Zapala, Neuquén, Argentina
(Alguien podría decirme qué es?)
Could someone tell me what it is? Zapala is in Western Argentina, east of the Andes Mountains.
enter image description here
English translation via Google Translate
1
vote
0
answers
28
views
What is taphonomic expansion?
Fossils are bacteria colonies sometimes, a bone can expand with fluid. This is pretty common sense and I understand it.
But what is taphonomic expansion? Does it mean a fossil can be bigger than the ...
1
vote
0
answers
61
views
"Great Dying" reduction in biomass
In "The Great Dying" About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet's species. Less than 5 percent of the animal species in the seas ...
1
vote
0
answers
63
views
Did low $\small\sf{CO_2}$ levels affected Permo-Triassic mass extinction?
After answering this question:
How did plants adapt to $\small\sf{CO_2}$ levels past 400k years? Why won't they do it again?
I know Permo-Triassic mass extinction is associated to a catastrophic ...
1
vote
0
answers
34
views
How to be involved in paleontolgy as a non-earth scientist
I want to be involved in paleontology or archaeology but I don't intend to go back to school for either. I am aware of some opprotunities to volunteer on field studies but am hoping for more resources....