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Happy Groundhog Day!
#Arizona has its own, extinct #marmot, Marmota arizonae (Hay 1921) USNM V 10181 is the specimen number of the holotype.
@hodarinundu drew this neat pic
#FossilCrates #paleontology #geology #museum #fossil #prehistoric #extinct #scicomm #stem #mammal #iceage
something different again 😮💨 #microraptor reconstruction, based on holotype IVPP V 13352
The other specimen I illustrated is an exceptionally large entoplastron that was estimated to yield a carapace size of perhaps 1.2 meters. But since its part of the plastron, which the holotype does not preserve, it cannot be properly assigned to Drazinderetes. (4/10)
Ken Carpenter sent his picture of the Holotype distal tail of Sauropelta; matches up well with Coombs' (fixed) drawing. Still does not jive with the material on exhibit! Did KC shoot his pic before exhibit made?? Got smashed before I shot and a tail was fabricated for exhibit?
#3dmodels of the #holotype vertebra of the large #snake #Palaeopython helveticus - #Eocene of #Switzerland
Collections of Palaeont. Institute and Museum of the @UZH_en
Image from
Georgalis & Scheyer 2019. Swiss J Geosci 112:383–417
https://t.co/cWvL2c7wAn
#reptiles #FossilFriday
#Holotype vertebra of the #snake #Periergophis micros from the #Neogene of #Greece
From the #openaccess paper:
Georgalis, G.L., et al. 2019. Palaeontologia Electronica 22.3.68:1–99
https://t.co/OGRdmf8p64
#reptiles #fossil #anatomy #taxonomy #Squamata
Holotype dentary of the lacertid #lizard Pseudeumeces kyrillomethodicus from the #Oligocene of France
From the #OpenAccess
Georgalis, Čerňanský and Klembara. 2021. Geodiversitas 43(9):219–293
https://t.co/TxLelwVpfB
#Fossil #reptile #3DModel
@walkabouttravel Just triangular knives down the length of its tail. Gastonia lateral caudal plates twice the size of these (E-HH) from the Holotype of Mymoorapelta. Cover these in horn and think chainsaw blade on a handle.
Wanderful little detail for paleo fans that specimen ROM 768 is in the new Dinosauria short.
For those that dont know its the holotype of ParasaurolophusWalkeri thats shows a series of pathologies caused by what was most likely a tree tho they show signs of healing meaning that-
#FossilFriday lithograph of the holotype of Toxodon platensis, a notoungulate from South America, collected by Darwin on the Beagle voyage. The skull is still housed in @NHM_London
Mastodon jaw comparison with photogrammetric #3dmodels. Left, American mastodon from Louisiana, @LSU_MNS collection. Right, Pacific mastodon holotype @MaxMastodon, @WesternCenter collection. #FossilFriday.
Amazingly, the scan of the holotype of the new species, which we dubbed Rhombophryne vaventy (vaventy is Malagasy for 'big'), revealed a beautiful pill millipede, Zoosphaerium, in its stomach.
#MadagascarFrogs #BonesDay
The name "Tylosaurus" itself references the rostrum, meaning "knob-lizard," as does the name of the type species (the first one named), T. proriger: "proriger" = "prow-bearing."
📷Cope 1870; T. proriger holotype @MCZpaleo 4374
#MosasaurMonday
Yes I'm still tooting my own horn for naming a new species - who wouldn't?!
Sharing my favorite element for #FossilFriday from the Parocnus dominicanus holotype (MHD 237), this nearly complete pelvis. Sloth pelvii are extremely hard to find whole, so this specimen is special!
Yesterday a new paper came out that describes a new species of Ectenosaurus mosasaur! I'll be spending my afternoon updating the taxonomy in our database as well as the storage location of the holotype FHSM VP-5515.
https://t.co/FblrNHyU4H
Second image is the skeletal restoration of the holotype (UMNH VP 19479), by @skeletaldrawing in 2010, with known parts shown in red.
Really neat photos taken showcasing the holotype for Brachauchenius lucasi. These were uploaded by Kenneth Carpenter on Wikipedia just this March. I've actually never seen a lateral of this specimen but not surprised at how crushed it is.
Dino Fact:
Tongtianlong (Tongtianyan Dragon) is an Oviraptorid from Late Cretaceous China. The holotype was found by construction workers... as they were blowing the land up to build a new high school. Based on rocks around it, it likely died stuck in mud.
Art: Jack Wood
But another fossil that associates a mandible and cranial material is OH 13, and that also shows a number of dental and mandibular similarities with KNM-ER 992, as Bernard Wood has repeatedly emphasized. In those ways, OH 13 is actually different from OH 7, the habilis holotype.
KNM-ER 992 was one of the #hominin fossils discovered by Richard Leakey's field team that were claimed as holotypes for species named by other scientists: in this case Homo ergaster. This "taxonomic scramble" of the 1970s and 1980s left a harmful legacy in #paleoanthropology