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  1. Nice to be back hunting. Found a few nice Ptychodus teeth out of the Eagle Ford this morning. One fresh and one badly weathered. 86-90 mya
  2. Got a new case for some of my Ptychodus whipplei teeth I have found over the past couple of years. Still need one more. Was inspired by a trip with the Dallas Paleo group last week and thought they deserved better than a jar.
  3. John S.

    Ptychodus Rugosus? N tx

    Found this large Ptychodus in a creek running through Eagle Ford Group(86-92 mya). Could it be Rugosus? Max size is 46 mm, this one is 40.6 mm/1.6 in. Thanks!
  4. John S.

    Ptychodus Rugosus?

    From the album: Denton County, TX

  5. John S.

    Ptychodus Mammillaris

    From the album: Denton County, TX

  6. John S.

    Ptychodus shark tooth

    From the album: In-Situ Shots(various locations)

    4-4-17 Denton County, TX
  7. sharko69

    New Ptychodus for the collection

    Going through a bucket I brought home last night I found this nice little Ptychodus tooth. Looks like P. mammillaris?
  8. John S.

    Ptychodus Anonymous? shark tooth

    Found this cool tooth in nice condition. I still get confused with the Ptychodus. Eagle Ford group, far north Texas, 86-90 mya. What say you?
  9. austinswamp


    Do I have anything here? I found these two after a good rain at the bend of a creek here in Austin, Texas. They are both around a 1/2 to 1" in length.
  10. I fossil hunted the lower limestone flag member of middle Eagle Ford Formation in Travis County, Texas USA yesterday. I came up with three nice finds. The first is a 130 mm x 75 mm section of a large ~2' diameter ammonite. Two pics included but it is difficult to make out. I think it is an EUOMPHALOCERAS genus, based on GEOLOGICAL SURVEY PROFESSIONAL PAPER 274-C 1955. Any different opinions? The second find is a 15 mm wide Ptychodus Occidentalis per Shawn Hamm's recent email help for me on a couple of 10 mm wide Ptychodus out of 8 total located ~1/2 mile NE from the subject area. Check out
  11. Went for a quick hunt this past Sunday and found this gem ('huge' is relative, it's huge in my books). My guess is P. Decurrens? If not, what gives away the correct ID? Thank you! Nicole
  12. John S.

    Ptychodus shark tooth(2)

    From the album: Other Locations

    9-5-16 Collin County, TX
  13. John S.

    Ptychodus shark tooth(3)

    From the album: Other Locations

    9-5-16 Collin County, TX
  14. John S.

    Ptychodus shark tooth

    From the album: In-Situ Shots(various locations)

    9-5-16 Collin County, TX
  15. John S.

    Ptychodus shark tooth

    From the album: Denton County, TX

  16. Slow day today but this made up for it. Saw it in the corner of my eye at the end. It is my biggest Ptychodus, I assume it is a Latissimus? According to my book the maximum size is 30 mm. This one is 38 mm(1.5 inches). Far North TX, eagle ford- 86-90 mya
  17. So, a storm managed to chase me and a few others off the gravel bar at Post Oak Creek but we came back for a second round. It was cool and overcast, muddy and perfect for fossil hunting. I was up to my ankles in creek water but I managed to find a few fossils and shark teeth. In addition to classic Post Oak shark teeth, I think I may have found a portion of a Ptychodus Whipplei tooth. I also found a shark centrum and a bone fossil...but it's a mystery as to what it is...about 1.2" long. Opinions welcome!
  18. Biggest ptychodus I've found. Atcoensis?
  19. 9 more inches of rain last week so I'm hoping I'll do well the next few weeks. Here a few items found recently. Got a nice Gary point, a ptychodus atcoensis, articulated fish centra, and some mosasaur parts..
  20. sharko69

    Ptychodus Mortoni.

    Was on my way home from work yesterday and saw an area in north Dallas where a lot had been cleared and had some exposure. Spent 30 minutes walkind and found some clams and to my suprise this partial Ptychodus. Looks to me like Ptychodus mortoni. It is just the cusp. Spent two hours this morning and found nothing else in the way of teeth. If mortoni, it would be my first. I will update if I find anything else there this week.
  21. missingdigits


    Ptychodus are my favorite teeth and I recently came across a place that seemed to have an unusual number of them. There are a few with a nice red tint to them that is new to me. I like them very much. However what I really love is a larger(for the site and age) tooth with an extremely worn crown. I have a lot of ptychodus with worn crowns but this tooth just hurts to even look at. He's the guy in the top left. Probably occidentalis. There is just something about seeing a worn tooth that makes a 95 million year old creature seem more real, if that makes sense.
  22. jeremy.greene

    Good Way To End The Weekend!

    So yesterday i posted on my trek into the grayson. Today i made a trip to west dallas to a new creek site i found on my maps that should be eagle ford and im thinking it contained the basal atco fish conglomerate , but im not sure and am still learning. Everyones knowledge would be appreciated. So this will be a multi post/pic topic so bear with me. First everyones favorite.... Site pics....
  23. truceburner

    Shell-Crushing Shark Tooth?

    I sat on a rocky shoal under the shade of a tree to eat my lunch while on a creek walk today. The ham sandwich didn't really have a chance against me. As it happens, I sat right next to this specimen. Found in Travis Co., TX. Is this Ptychodus? Might it be P. mortoni? The root is missing altogether. You can see a view of the sulcus in the 2nd and 3rd photos, and the underside in the 5th photo. Let me know what you think, and thanks for looking.
  24. barefootgirl

    Cretaceous Hunt In Ne Texas

    I took the day off from studying to catch some sunshine and hit my favorite creek. I was very please with what I found today. Things came in pairs today it seemed. I found 2 ammonites, 2 goblin shark teeth and 2 ptychodus mortoni. I also found a very large tooth I have yet to identify because I can't find my shark tooth book. This was the shocker for me today. By far the biggest tooth ever found out at my site. I just stood there and stared at it for a moment and then looked around thinking some was playing a trick on me. I was alone so I ruled that out quick and then went straight into sup
  25. Hi All, I have been trying to catalogue my collection and I came along this tooth, according to the information on its card its Ptychodus latissimus, Coniacian in age, from somewhere in Dallas Co. (dont know the exact place). But when I was looking at photo's from this species, it looked different than this one. they are more flat while this one is very raised. altough not as highly as P. whipplei. can anyone say what sp. it is? I dont know a formation where it came from, and i think Coniacian is based on it being a P. latissimus instead of it actually having been found there. Its 1 cm in len
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