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  1. Rowboater

    a new Rapp beach

    Went at low tide to a small public beach on the Rappahannock. A few people laying on the sand soaking in the nice weather. One guy raking the sand, looking for shark teeth, fossils or maybe beach glass. I walked along in the water looking for teeth with faint hope, but was lucky! Although mostly just long rusted and tide- and sand- burnished metal bits, I did find some teeth including two NICE cowshark teeth (perfect compared to the broken rootless ones I'm lucky to find usually). Also found an interesting skate scute (small enameled spot in the center), a reddish sand tiger spike, a thre
  2. fossilsonwheels

    Hexanchus or Notorynchus

    I recently picked up three cow shark teeth with uncertain identifications. I can not be sure myself so I thought I’d get some help sorting this out. First one is 19mm and comes from the Pico Formation, Ventura County California. I believe it is Pliocene in age. I think it is a Hexanchus tooth but Notorynchus is known from at least one So Cal formation similar in age according to fossilworks. It is missing the largest cone. Even though I lean 6 Gill, I’m almost hoping somebody thinks 7 Gill because a California 7 Gill would be sweet lol Either way, it’s a really pretty tooth.
  3. bthemoose

    Very worn cow shark tooth?

    I found this small fossil along the Calvert Cliffs (Miocene exposure) in Maryland. My first thought was a jaw bone with teeth, but my working hypothesis now is that it's a very worn cow shark tooth (Notorynchus sp.). What do you think?
  4. I have found several smaller fragments before, but never an intact one. This one turned up at the end of a very long day and I fortunately spotted it as my son was shoveling matrix into the sifting table. I startled him mid-shovel by shouting "STOP!" when I saw a row of white points sticking out of some matrix. Son was just about to throw another shovelful on top of it. Nice reflexes by him to change course mid-air to avoid me (now shielding the tooth with my body - LOL). Worth it. :-) Definitely had potential but I didn't know how much root was going to remain. After some careful
  5. Chase_E

    Hexanchus sp.

    From the album: Misc. Cenozoic Specimens

    This might be H. agassizi, I am unsure.
  6. rand95

    Center cow Calvert cliffs

    Hi Randy here. A friend of mine found this tooth today along Calvert cliffs.its a center cow but is it pathological?
  7. Chase_E

    Hexanchidae unindent.

    From the album: Cenomanian Shark Teeth, Tambov Oblast, Russia

    Hexanchidae unindent. (Grey 1851). I am unsure if a species of cow shark has been described from this region, as I do not have access to much Russian literature. Slant length is described by the length from the primary blade's tip to the end of the root. Width is indicated by the root length.
  8. Bjohn170

    Bayfront Park 01/25/20

    Me and a friend spent a couple hour searching and a little sifting and left with over 100 teeth! Here are the best from the trip, a couple of makos, a hand full of nice tigers, two bronze whaler?, two cow sharks, and a baby posterior megalodon tooth!
  9. Rowboater

    rapp creek hunting

    Went out on a hot and humid morning to the creek, digging and sieving was nasty and the bugs were bad. Found the typical sand tiger spikes, lots broken, and some drum teeth, but surprisingly no angel shark teeth or vertebrae (washed away?) A bunch of white snail-like shells usually find similar bigger ones on the beach. Most interesting was a chunk of turtle shell (from the edge, bigger than usual) and a tooth (I find lots of busted ones, but this is almost intact. About an inch long, dull enamel half way up on both sides (one side cracked); the root is almost square and appears hollow).
  10. Rowboater

    rapp creek hunting

    A little under the weather (and having truck trouble) but took a break for a few hours hoping to find more shrimp coprolites after recent thunderstorms. Humid, but not particularly hot, lots of frogs. Despite lots of digging in last week's spot, not much mixed in the gravel, mostly small broken stuff (one vert, one angel shark tooth, some drum teeth). I always wonder if I am 'mining' an area of the stream bed that was picked over 30 years ago. Finally found a mottled tiger shark tooth, relatively rare on that site. I have some small pieces drying but no strong suspicions of shrimp coproli
  11. After the Hybodontids, our program starts to transition toward the modern sharks. We introduce lamniform sharks and the cow sharks. We will not be able to spend much time at all on the Cow and Crow Sharks. They only get a brief introduction and a look at the teeth. Squalicorax is an important species for us even though we do not spend a lot of time on it. The students in first few classes we do presentations for will be going home with Squalicorax teeth from Morocco. We would like to spend more time on the Cow sharks eventually but we only have one tooth to show them and we will have to edit c
  12. Hi all, For whatever reason, I never got around to posting this. After a relatively unsuccessful day at Bayfront Park back in 2018, my dad showed me this tooth, unsure of what it was. He said he had found it while sifting in the creek that runs under the bridge near the entrance of the park. I had never really bothered trying around that area because it was so far from any cliff exposures, but I suppose he proved that some of the best finds may be where you least expect them. The second he pulled out this tooth, my jaw dropped. It is a FLAWLESS cow shark symphyseal. I hadn't had a
  13. sixgill pete

    cow shark

    Nice little symphyseal tooth.
  14. Out of action for a bit, but figured a good time to post what I have been collecting since coming back from Singapore summer of 2018. Starting with sandtiger shark teeth, since they are the most common here. Really like the little hook cusps which I seldom see on both sides on the biggest teeth. Cusps are most prominent (but often nubs) on the lateral(?) medium sized wider, root teeth. Symphyseal teeth are not that rare (wish they were cowshark!); often I think one is a split tooth until I examine it carefully; the roots are distinctive. The small teeth may include a few that are not sand
  15. Rowboater

    rapp creek hunting

    My hip is bothering me, but we've had beautiful weather the last few days so I had to get out. Ended up being a short trip. Most of what I found was broken and small and about half as many teeth as usual, but I tried. Tape is in cm. A three inch ecphora, but missing a tail. Two or three skate stinger pieces. A nice but hard to scan cowshark upper, and pieces, some fin tilly bones, a few angel shark and drum. Lots of animal tracks along the creek but no frogs, crawfish or salamanders, just scud shrimp.
  16. sharko69

    Holy Cow!

    Found this beauty during a business trip to Southern California. My first complete cow shark tooth. My best personal find. Measures just shy of 2” from Capistrano formation.
  17. HoppeHunting

    Hop 5 03/02/19

    1. Isurus desori: Awesome Mako, just shy of two inches. One of my largest teeth from Bayfront Park. Found within 10 or 15 minutes of stepping foot on the beach. 2. Notorynchus primigenius: Very nice cow shark tooth. Small ding on the first cusp, but mostly complete and a decent size. 3. Cetacean Vertebra: My first whale vert! This lumbar vertebra was completely buried in the sand, with only the very top exposed. 4. Hemipristis serra: Really cool snaggletooth with nice colors and perfect serrations. Could be either an upper or lower, hard to tell. Most likely
  18. Rowboater

    rapp creek hunting

    Has been about 38 F (~4 C) or less since Sat morning and I was getting cabin fever. The tides are running high for the beaches, east wind blowing in the water. So I decided to go to the creek in pouring cold rain (45F, 7C); the creek was icy cold. Was probably stupid, it was difficult to work some new spots in water high over my ankles and both waterproof shoes eventually filled with water. Both quality and quantity of teeth were low. However I was lucky and found TWO nice cow shark teeth (without roots), a small mako (no serrations) along with the usual sand shark spikes and some small g
  19. HoppeHunting

    Hop 5 01/25/19

    (I will now be using the poll format, so you can actually click your favorite and the poll will keep track of the votes) 1. Carcharocles chubutensis: MY FIRST MEGATOOTH! A bit of damage near the root and a missing bourlette, but a gorgeous tooth nonetheless. The serrations are absolutely killer. It’s about 1 ¾ inches. Colors completely changed when it dried. I. Am. Ecstatic. 2. Carcharias cuspidata: Very large sand tiger with a beautiful hooked double cusp on one shoulder. Excellent preservation, and certainly a necklace quality tooth. 3. Notorynchus primige
  20. PaleoNoel

    Confirmation on cowshark teeth

    I was revisiting some of the shark teeth I've found on previous adventures in order to make a list/catalog of the vertebrate species present in my collection. I found a few teeth which I believe could come from notorhynchus or hexanchus and I wanted to confirm that with members on the forum. I was looking at some of my teeth from the spoil pits of Aurora, NC and the Peace River, FL. 1. Deep rooted specimen with what looks like what would be the first crown preserved. Found in Aurora. About 2 cm from top to bottom, 1 cm wide. 2. Unsure about this one, initially thought it was a
  21. Rowboater

    Rapp beach trips

    Went back to the beach twice after several days of north winds that should have pushed stuff on the beach. Was surprised that there was still snow on the ground away from the water. The surf was rougher both trips than I expected, lots of icy water in my boots both trips. Low tide was not that low (lunar? or need a decent south west wind?) The water was COLD and also cloudy, guessing stuff like shrimp coprolite "burrows" were further out; didn't find one on either trip. Highlight was today, found a nice cowshark tooth (but rootless), a broken cowshark tooth, and two almost one inch makos
  22. HoppeHunting

    Worn Cow Shark Symphyseal

    Hi all, This tooth was found of one of my recent hunts along the Calvert Cliffs in Maryland. I found it at Bayfront Park/Brownies Beach. It is approximately one cm in length, relatively flat, and has multiple worn but visible bumps of enamel that could either be large serrations of some shark tooth or cusps of a symphyseal cow shark tooth. I believe it's the latter, but also recognize that it is a rather uncommon find. If it turns out to be a cow shark symphyseal, it would be my first one! Excited to see your takes on this one. I feel somewhat confident with my standing ID, but wo
  23. Rowboater

    rapp creek hunting

    Finally got out to the creek in the woods. Warm and cloudy, but not many bugs (or frogs). Looked like lots of people had been hunting, but the main creek body was less silted than previously, shells everywhere (in addition to giant tree oysters, scallops, frilly oysters, there were some extra elongated "clams"? ) I had to shovel out lots of broken shells in my spots, and the teeth, as always, were small. Still it was good to get some angel shark teeth and drum teeth again (rare on the beach) and there were a fair amount of tiny teeth. Found one smallish mako/ great white (1" but in perfect
  24. Rowboater

    rapp creek hunting

    Back out to the same productive spot. Unfortunately it "played out" within an hour, but yielded a nice Great White/ Mako tooth, a very nice cowshark tooth, a few more angel shark teeth, and more drum teeth (some from last trip), more teeth, a scute and turtle shell pieces, and a small piece of jaw with two flat-topped teeth.
  25. Rowboater

    Rapp creek hunting

    Headed out into the heat. After thunderstorms last night, was hoping some sand would wash away. Mosquitoes and biting flies were bad, and the great white/ mako area had been worked hard by someone else. So tried a second spot downstream, where I've found cow shark teeth in the past. Found two, one weird looking, but cannot imagine what else it could be. Six angel shark teeth (standing in blow up photo), a dozen or so drum pharyngeal teeth, plus lots of sand tiger spikes and bull/dusky shark triangles. A lot of the small teeth are odd to me, but that make reflect them generally being more
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