Need help with id on dinosaur fossils, bones and teeth

[Sergiorex]

Hello, I just started my fossil collection and am thinking about adding some stuff to it. I found some stuff Im considering buying, but since I’m pretty new to fossils, I need some help to make sure the id are correct and that their the real deal before buying them. I would really appreciate it if someone helps confirm the ids of the fossils.  Anyways that’s all I have to say for now, thanks for reading :). Btw I included why I’m skeptical(if I am, for each)

 

item#1 is supposed trex rib, location on image, it measures about 1.65 inches, i only bought dinosaur teeth before, so I’m a bit skeptical that they can id the thing with just a rib bone, since there are many other large dinosaurs  in the area.

 

item#2 is a supposed dinosaur bone and I wanted to ask what dinosaur it might’ve came from and what part of the dinosaur it may be, location and size on image. Same thing, I don’t know much about dinosaur bones but it seems pretty cool and real.

 

item#3 is a supposed Carcharodontosaurus tooth, however I’m not sure since  the shape looks a little odd. size is 1 inch measured on curve. Location unknown 

 

item#4 is a supposed Rugops primes tail vertebrae, location in image, size is 5.5x3.5 cm, and I’m skeptical because I don’t understand how you can I’d with just a tail vertebrae.

 

item#5 is supposed allosaurus toe, found in Morrison formation, measures 2.16 inches. Lots of large theropods, so idk if I’d is correct.

Item #6 are raptor teeth from Morocco .5-.7 inches. Don’t know how to tell abelisaurid from raptors

 

item #7 is supposed rib section from trex from lance formation Newcastle, however I’m not sure you can id it with such a small section. size in image

 

item#8 is supposed  Abelisaurid , from Morocco kem kem, size in image

 

item#9 is also supposed abelisaurid and is also from kem kem, size is 1.8x.9 cm

 

item#10 is cave bear tooth? Its not in good condition so I’m not sure, location on image and size is 1 and 1/4

 

item 11 I’m not sure, they think it’s raptor or abelisaurid , size on image and from kem kem 

 

item#12 no idea,  never seen anything like it it’s from south east Georgia and measures 2 5/8x 3/4

 

again thanks for reading and hope you can help id a few, sorry for so much text and asking to id so much.

Edited August 15, 2022 by Sergiorex
Make it more specific

[BirdsAreDinosaurs]

The pictures are not the greatest, but here is my take on the Kem Kem teeth:

 

#3 is a juvenile Carcharodontosaurid

 

#6 are all Abelisaurid teeth 

 

#8 I do not think it is Abelisaurid, but I am not sure what it is

 

#9 I believe could be an Abelisaurid from a more anterior position

 

#11 looks like two Abelisaurid teeth at first sight

[Mochaccino]

Can't help you with the others, but I asked the Dino expert @Troodon about #12 and he says it's not dinosaur at all, might be mammal.

[Coco]

Hi,

 

12 hours ago, Sergiorex said:

item#1 is supposed trex rib

FYI, trex means nothing. Each living or fossil being (people, animal, plants) is named with two parts in Latin, the first represents the name of the genus, and the second the name of the species. Speaking of trex, I assume you mean T. rex (look how I write it).

 

T. = abbreviation of Tyrannosaurus is the genus name, and rex is the species name.

 

Latin names must always be written in italics, with a capital letter (only) for the gender name.

 

Coco

Edited August 15, 2022 by Coco

[Troodon]

1)  There is no way to look at most bone fragments and determine if its T. rex unless there is something diagnostic visible.   The seller needs to provide information that it was found in a T. rex quarry with proper provenance.  Edit: on a later photo seller did have locality.

2)  Its possible it's a dinosaur bone.  But its size does not exclude other critters like Croc. so its indeterminate.   

3) There are currently multiple Carcharodontosaurids described in the Kem Kem so it's difficult to say this one is Carcharodontosaurus.  It's an indeterminate Carcharodontosaurid.   

4) It's a caudal of a crocodyliform not dinosaurian.  Also, on the label the Tegana formation does not exist (never did) and should be called the Kem Kem group which is made up of multiple formations depending on locality along the KK deposit.

5) Looks more like a dinosaur partial vertebra, split down the middle.  Indeterminite bone

6) It's an indeterminate Abelisaurid.   No raptor (dromaeosaurid) has yet to be described, they may be present but not officially. 

See my post on KK teeth to help you understand the differences.

Kem Kem Theropod Teeth: what you need to know - General Fossil Discussion - The Fossil Forum

 

7) Same comments as the previous ones.  It's a bone fragment so the seller needs to provide you with more information on why they think its T. rex.   Locality is good.

8) Uncertain, would need more photos and better ones.   Its indeterminate but probably not Abelisaurid but dinosaurian.  A lot of theropod teeth from the KK are indeterminate since so little is published or known.  So its not an issue buying indeterminate teeth from this region.  Too many sellers want to put names on them, helps sales

9)  It's a partial tooth missing a part of the base.   I would avoid many nicer one on the market

10) To young for me, you need a mammal expert.  In the future you should post these separately to get a better view and not bury them in a host of dinosaur photos

11) Abelisaurid teeth.  Missing tip. I would avoid lots better ones out there.

12)  Same comment as 10

 

Sorry to have to ask you to repost these from my PM.   I have no problem helping you ID material but in addition to that I'm trying to educate others and cannot do that privately.

Good luck and keep posting, just do not trust what you see listed.