This model of Anomalocaris on display at the Houston Museum of Natural Science has become very popular through the internet and is used as the basis for various illustrations and 3D models. However, this model does not accurately represent the anatomy of Anomalocaris at all!
#Paleoctober2022
#Paleoctober
I've still seen many people reconstruct Ptychodus as a benthic cartilaginous fish with spiny fins that looks like a hybodont or bullhead shark. That's not how Ptychodus looked like!
Highly speculative, tentative reconstruction of Devonian arthropod Rhyniognatha hirsti as larval scutigeromorph centipede.
This species was recently featured in ARK: Survival Evolved and seems to be getting a lot of attention, so I tried reconstructing it. (1/?)
Newly named whip scorpion, Mesoproctus rayoli is... DAMN BIG!!!
Left is holotype, looks like paper mistook scale bar length so rescaled from measurement, and right is scaled after partial specimen MB.A. 1041 nearly reaches 20 cm in total length!
@CenterForBioDiv
On Ishigaki Island where is home to a variety of endemic species, a development of golf resort is planned and a lawsuit is underway to stop it. We should not repeat such a environmental destruction by Golf courses.
For my new blog post, I'm hammering the final nail into the coffin of the Triassic kraken. The most damning piece of evidence against this hypothesis is finally brought to the surface.
Our Revival update is now out on Curseforge!
Adding 30 new mobs, plants, statics, biome improvements, a lot of bug fixes and enhancements, but mostly adding our own Revival system for the mod's life.
Discord:
Mod:
Reconstruction of 'Kentuckia' hlavini, Devonian palaeonisciform actinopterygian from Cleveland Shale, Famennian of Ohio (known from Dunkleosteus). Some specimens of Cladoselache contained this fish remain in the stomach. Thanks for Wikipedia user Eddie891 who provided me paper.
It is fun to see that how Bothriolepis reconstruction revised to remove fins
There are still many reconstructions show extra dorsal or pelvic fins...
Modified from Béchard et al. (2014)
Finished skeletal reconstruction of Cratochelone berneyi, gigantic protostegid marine turtle from Late Albian of Australia, probably lived with animals like Kronosaurus and Platypterygius. Although it is fragmentary known, its size is comparable with Archelon! (1/?)
To test for correlations between bone density and ecology, we built a dataset of 380 femora and dorsal ribs representing 291 extinct and extant amniote species, including mammals, modern reptiles and birds, marine reptiles, 39 non-avian dinosaurs, and 7 Mesozoic stem birds
New Miocene flightless, filter-feeding marine swans with wings and tail possibly specialized for carrying young, Annakacygna hajimei and Annakacygna yoshiiensis, "the 'ultimate bird[s]' to ever exist" (yes, the paper really says that!):
#birds
#dinosaurs
Size chart of Angustidontus seriatus, Devonian predatory crustacean.
Larger estimate of NMNH 530454 is based on length of maxilliped, as smaller one is based on width.
Interestingly, Pseudoangustidontus, the fossil similar to its maxilliped is considered as Hurdiid radiodont.
#AmmoniteWeek
This website, that is made by Palaeontological Society of Japan, contains a lot of 3D-models of heteromorph ammonites. (Ancyloceratina)
Japan has a lot of heteromorph ammonite fossils, like Nipponites, or Sormaites that described in 2020.
#InverteFest
#paleoart
I drew three Carboniferous giant arthropods, Arthropleura, Meganeura, Pulmonoscorpius.
These creatures are famous, but many of the illustrations on the Internet are not accurate.
I tried to draw as accurately as possible, but there may be mistakes.(1/4)
Size comparison of Ctenacanthiformes, which flourished from the Devonian to the Permian.
It was unpublished because I thought that it would be covered with the work of
@FabioAleRomero
, but I think it is time to upload this.
Glory to
#Saivodus
!
#paleoart
始新世に生息していたトビウオの仲間、Rhamphexocoetus
なんと下顎がサヨリのように飛び出しており、その顎の長さは2cmほどになるらしい(トビウオ、サヨリとも同目に含まれるのだけれども)
Figure from A. F. Bannikov, N.V.Parin, G.Pinna, 1985
#Paleoart
Life restoration of Pliodetes nigeriensis, small (~25 cm without fin) gar relative known from Elrhaz Formation (Barremian-Albian, Niger), lived with Sarcosuchus and Suchomimus.
It is hard to access original description so I wanted to represent how it looked like.
I think the Fat catfish (Rhizosomichthys totae) achieved the ultimate body plan. Sadly this little guy is probably extinct. It only lived in Lake Tota (Colombia), and its population was decimated by invasive rainbow trouts introduced by humans. We really can't have nice things
Why people still giving Arandaspis tadpole-like body? It was just estimated in original description at 1976, but body material is actually not known. Another Arandaspid Sacabambaspis had more complex shape of tail. Why shouldn't it have that kind of tail as well?