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Found 25 results

  1. Found in Miocene period Monterey formation in Arroyo Seco canyon of Central California Coast Range. Trochita is an undescribed species known from this formation. Others are mostly Brachiopods (Discinisca lamellosa) which surprisingly is not extinct and still lives in some oceans, Scallops (Pectenidae), Venus Clams (Veneridae), Ark Shells (Anadara/Scapharca), and an unknown Moon Snail (Nacticidae). Most found in 2024, some in 2019. Added a few pics of the nice scenery in the canyon. Trochita specimen is noteworthy as being in good condition with surface detail and may get donated to the California Academy of Sciences collection.
  2. Mosasaurhunter

    IMG_5576.jpeg

  3. Fullux

    Pecten?

    Howdy all, This is a fossil scallop valve I found in the Coon Creek Formation of Mcnairy County, Tennessee a few years ago. I've heard of two scallop genus coming from that area, this being neithea and pecten. Which one would this be?
  4. Took a trip down to the Calvert Cliffs with the Buffalo Geological Society last weekend for some fossil hunting. It was my first time ever hunting at this location and I would call it a success. I can see why this location is such a popular spot, great beaches along the Chesapeake and beautiful weather made this one of the most scenic fossil hunting locations I've ever been at. The first day was Flag Ponds, which is where most people had better luck finding good sized shark teeth during low tide conditions. I found a small fragment of a Meg here, which was exciting. The second day was Matoaka Cabins, which was where much better invertebrate shells could be found. I took a walk a bit past a recent cliff failure and ended up having a lot of success finding teeth during high tide by churning up the sand and letting the waves wash it out. After I got a system down in the afternoon, this method yielded me a tooth every 5 to 10 minutes. I also filled a 3gal bucket with gravel deposits from the low tide to bring home and sift, I would not do this again as I only found a few teeth from this bucket. Looking forward to the next time I can get back. Total finds. Everything above the coral is from Matoaka, everything below the coral is from Flag Ponds Dolphin ear bone, probably my favorite find of the trip. Awesome preservation from what I have seen Some of the best teeth Some of the better ray fossils Crab claws Bones
  5. cmwilson101

    Amelia Island Pectens

    Found some nice fossils during the storm caused by Fiona, especially pectens. Still working on a definitive ID for the flat pecten at the top. - it's the best example of that species I've found. @MikeR, any ideas? The teeth & burr fish mouth plate were pretty standard finds, but it is the best sting ray barb I've found so I was pretty happy. Soaked but happy!
  6. Eleganticeras

    Ammonite sandwich

    I picked up a small loose cobble from the shore at Ravenscar, Robin Hood's Bay. It could be locally derived or from the glacial till, but I'm left with this issue... The ammonite, sandwiched between two pecten like bivalves is almost completely covered. It's the bivalve that I mostly need help with. The ammonite has ribs that curve forward at the venter but don't reach the keel. The keel is eroded, but is narrow and without lateral grooves. Comparing it with a Grammoceras I have, I think it's that. If so, its upper Lias. Looking in the Palass guide, the most similar bivalve match is Pseudopecten, but this fossil really doesn't look like one, as the radial ribbing is much finer and there are no obvious growth lines. And even if it was, it would make the fossil lower Lias. So, please help... Is it Grammoceras and what is the bivalve?
  7. I_gotta_rock

    Micro Scallop

    The treasure of the Reedy Point Spoils is in the micros! This is one of over 100 micros I collected in one day just surface collecting after the spoils area was freshly cleared of vegetation -- and freshly cleared of much of the remaining matrix. Of all of those micro fossils, this is the only one of this species and very possibly the only one I have found in 16 years of collecting at that site. The Reedy Point Spoils is a 220+ acre dredge deposit from the Chesapeake and Delaware Canal. The matrix is a combination of material from the Mt Laurel and Navesink Formations, which are not exposed in Delaware, but are on the surface in their namesake towns in NJ.
  8. Hello everyone! A rather successful day today! Following this article concerning Concavus concavus, I managed to find 5 possible outcrops using Google Earth. Out of those 5, 1st and last were productive. 1st one had mostly ostrea within conglomerate rock. In situ photo and finds, all of them ostrea of various condition. The last section was AMAZING. This picture is taken on a vertical cliff and this is on top of me. So much death in one pic. The rest of the pictures are finds. Some bivalves with both valves preserved, concavus. Unfortunately, I did not find any clypaster.
  9. cmwilson101

    Pectinidae ID Resources?

    Hello there, I'm a newbie, but already very excited to see the wealth of info on this forum. I am new to collecting fossils; we moved to Amelia Island in 2018 and I started finding pectens (is it correct to call them pectens when referring to them generally?) and got hooked. I've found several hundred on the beach at Fernandina Beach, Florida. I've attached a few samples and hope that someone (MikeR?) can point me to resources which help distinguish pectens in order to ID them. The books I've found don't go deeply enough, or only list a couple. Although there are some great PDFs out there, I just haven't found any straight forward guides/resources that would help me definitively ID these fossil bivalves. Any information or help would be greatly appreciated. And if anyone is kind enough to ID them from pictures, I can take more images from the side etc so more details are clear. Thank you very much! Cheryl
  10. Ludwigia

    Pecten styriacus (Hilber 1879)

    From the album: Gastropods and Bivalves Worldwide

    2.5cm. Florianer Schichten Middle Miocene From Bramberg, Styria, Austria Thanks to Franz Bernhard
  11. There are 5 pectinoida (scallops) that can be found in the Mazon Creek deposit. Aside from Aviculopecten mazonensis, all are uncommon to rare. Dunbarella striata is commonly found in Pennsylvanian aged black shales but fairly rare in the Mazon Creek deposit. Like all Mazon scallops, they are only found in the Essex (marine) portion of the deposit. It has a relatively round shell compared to the much more common Aviculopecten. I actually collected this first specimen on March 1st 2020 (opening day for collecting). It just split open this evening and is the largest example that I have seen.
  12. sixgill pete

    Chlamys decemnarius

    From the Pliocene Yorktown Formation Zone 2 Rushmere Member. An uncommon find at this particular site. Geology and Paleontology of the Lee Creek Mine, North Carolina, II MIOCENE AND PLIOCENE PECTINIDAE (BIVALVIA) FROM THE LEE CREEK MINE AND ADJACENT AREAS, by Thomas G. Gibson
  13. For awhile now, I have been trying to pin down this scallop. I think it is an argopecten, possibly comparilis, or evergladesensis, but the images I can find on line of those, seem to show ribs that are rounded on top. These shells have very flat ribs, with a very slight indentation running down the center of each. The shells are offset a bit. I found them in the northern most edge of ochopee member of the Tamiami formation, along with euvola hemicyclica, and a really lovely little urchin test, the exact name of which I don't recall as I sit here typing. I have a collection of 30 different sizes I am trying to put together in a ryker box, but have not yet done so, because I just don't know the id...a friend suggested I check out dimarzipecten crocus....but that kind of obscure reference is wa-a-ay beyond me. I'd rather put to use someone's knowledge, if you know what it is, would you please take a moment and explain Why you i.d. it as you do. Much appreciated.
  14. sixgill pete

    Chesapecten madisonius

    These pectens are very common in the Rushmere Member of the Yorktown Formation in cuts and bluffs along certain portions of the Tar River in North Carolina. Many are extremely worn and even crumble to pieces when handles. Specimens with double valves are not uncommon. This specimen is in exceptional shape. The final picture of the 3 specimens is to illustrate the growth of the species. They are all double valves, and range from 1 /4 inch long to 5 5/8 inch long.
  15. pinkus

    Pecten Sp 1

    From the album: Eocene Bivalves of New Jersey

    Pecten sp Manasquan Formation Eocene Monmouth County, NJ This is relatively common but is often fragmentary. Weller only gives Pecten sp as present in the unit while Whitfield doesn't recognize any Pecten. Pecten kneiskerni is present in the slightly younger Shark River Formation and I am tempted to assign that to these older specimens.
  16. pinkus

    Pecten Sp 3

    From the album: Eocene Bivalves of New Jersey

    Pecten sp Manasquan Formation Eocene Monmouth County, NJ This is relatively common but is often fragmentary. Weller only gives Pecten sp as present in the unit while Whitfield doesn't recognize any Pecten. Pecten kneiskerni is present in the slightly younger Shark River Formation and I am tempted to assign that to these older specimens. This particular specimen looks less like a typical Pecten than the others.
  17. pinkus

    Pecten Sp 2

    From the album: Eocene Bivalves of New Jersey

    Pecten sp Manasquan Formation Eocene Monmouth County, NJ This is relatively common but is often fragmentary. Weller only gives Pecten sp as present in the unit while Whitfield doesn't recognize any Pecten. Pecten kneiskerni is present in the slightly younger Shark River Formation and I am tempted to assign that to these older specimens.
  18. markhero

    Pathological Acquipecten comparison

    From the album: Recent Finds

    Pathological speciment Acquipecten Opercularis Greece Lower Pliocene 5cm wide Compared to a normal fossil speciment

    © Mark hero

  19. markhero

    Pathological Acquipecten side view

    From the album: Recent Finds

    Pathological speciment Acquipecten Opercularis Greece Lower Pliocene 5cm wide Side view of the pathological anterior wing

    © Mark hero

  20. markhero

    Pathological Acquipecten

    From the album: Recent Finds

    Pathological speciment Acquipecten Opercularis Greece Lower Pliocene 5cm wide The pathology is located on the anterior wing

    © Mark hero

  21. Hello from naples, Florida. I am researching the fossil pectinidae of the world. I am not only looking for pectens for my studies but also any information from different scientific journals regarding the subject. I currently have over 300 species of fossil pecten and am always willing to help with identifications
  22. elcoincoin

    pecten 2

    From the album: Vaches Noires - may 2013

  23. elcoincoin

    pecten

    From the album: Vaches Noires - may 2013

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