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Found 185 results

  1. Hey folks maybe you can help me out. Especially the European collectors. Here in Texas we have historically had several species of Tetragramma listed as occurring in the Fredericksburg Group (Albian) that are possibly synonymous. For those of us who collect here in Central Texas there never seemed to be any doubts about what was a Tetragramma malbosii versus a T. taffi. T. taffi are always larger and seem quite distinct from T. malbosii. (see my two examples) But in 2016 William Morgan wrote the Collector's Guide to Texas Cretaceous Echinoids (Schiffer Publ.) and in it he lists T. malbosii as having precedence, suggesting that they are just not as full grown as taffi. He sites the work of Smith & Wright, 1993. I know T. malbosii is found in Europe. What about T. taffi? What does a very large European T. malbosii look like? The one I am using as an example is the largest one I have but it is still not as large as the T. taffi and doesn't have nearly the same number of tubercles in the interamb. Your thoughts, opinions, observations, etc.??? And if anyone can point me to a link or a PDF of the following paper I would greatly appreciate it and could reward with a nice Texas echionoid... British Cretaceous echinoids. Part 3, Stirodonta 2 (Hemicidaroida, Arbacioida and Phymosomatoida, part 1) Author: Andrew B Smith; C W Wright; Palaeontographical Society (Great Britain) Publisher: London : Palaeontographical Society, [1993] Series: Monograph of the Palaeontographical Society, v. 146, no. 593. Tetragramma taffi (Cragin, 1893) Tetragramma malbosii (Agassiz & Desor, 1846)
  2. From the album Texas Echinoids, ERose

    One of the small rare ones
  3. From the album Texas Echinoids, ERose

    Probably the best specimen I personally ever found of this elusive species.
  4. Polydiadema travisensis Smith & Rader

    From the album Texas Echinoids, ERose

    They hide amongst the more common Loriolia
  5. Albian ammonites

    last weekend on our field trip where we usually search for cenomanian ammonites we also found a few phosphate ammonites on the beach that were washed out on the beach from the lower albian layers. most of them were only fragments or encrusted with phosphate, but I managed to prep few of them with very good results: the specimen on the bottom of the picture: Anahoplites planus Hoplites sp. Euhoplites ochetonus
  6. Small Jaw

    I found this little specimen that I assume is a jaw section a while back when sieving through some matrix. The material that it came from is marine from the toolebuc formation in central Queensland Australia this is cretaceous albian in age. Any input I would be grateful for. The specimen is 4mm on the long so quite small Regards Mike
  7. Albian ammonites ID help

    Hello! I hope to get help from experts to ID some Albian/ Vraconian ammonites. All are from the Zirc Limestone formation, Hungary, Bakony Mts. The locality contains condensed lens of Stoliczkaia dispar & Mortoniceras fallax zones. Thank you in advance! NoID 1 (Clearly not Salaziceras salazecense form, could be some Zuluscaphites/ Metascaphites form? (based on the monography, not Zuluscaphites orycteropusi or helveticus not Metascaphites sholzi or thomasii either) NoID 2 (I thought this some Stoliczkaia juvenile form (???), found this size a few more, no bigger specimens) NoID 3 (Could be Dypoloceras or Hysteroceras???) With Kind Regards
  8. Albian gastropods ID Help

    Hello! I hope to get help from experts to ID some Albian gastropods. All are from the Zirc Limestone formation, Hungary, Bakony Mts. All are stone moulds, with some shell fragments. I know, there is little hope to ID the species, but I love to know the genuses at least! The bigger boxes are 6x6cm, the smaller boxes 4x4cm. I can upload separate photos if needed. Please do not mind the last 2 boxes! (Not gastropods) With Kind Regards.
  9. Ammonite Identification

    Hello. I found this very weathered ammonite in a stream bed in Northeastern BC, Canada. Geological maps indicate Albian age (Fort St John Group- Shaftsbury). I am wondering if it can be further identified to a species level. Thank you.
  10. Raptor

    From the album Dinosaurs & flying reptiles

    Unidentified raptor fossil, likely clavicle, from kem kem, in Taouz, Morocco middle Cretaceous 100 mya
  11. Eusuchian taphonomy

    isisfordia Cite this article: Syme CE, Salisbury SW. 2018 Taphonomy of Isisfordia duncani specimens from the Lower Cretaceous (upper Albian) portion of the Winton Formation, Isisford, central-west Queensland. R. Soc. open sci. 5: 171651. http://dx.doi.org/10.1098/rsos.171651 Recommended!
  12. Ornithocheirid pterosaur

    From the album Albian vertebrates of Ukraine

    Tiny pterosaur tooth from Kanev Albian. This tooth is strongly labio-lingually compressed, has no carinae and has a developed pulpar cavity, typical pterosaur tooth characteristics. Scalebar 5 mm.
  13. Vertabra

    Searching through some matrix I found this partial vertebra. Wish it was a bit more complete but maybe next one. This was found in marine sediment from near Richmond in Central Queensland Australia. It is from the Toolebuc formation witch is Cretaceous Albian about 98 - 100 million years old The longest length dimension is 6.5 millimetres so the animal it comes from must have been huge Also interested in where on spine this would have been situated if sufficient information can be gleaned for this partial. Thanks in advance for all input. Mike
  14. Bird Cretaceous

    I have come across another small bird fossil and am unsure what bone it actually is. this was found in the toolebuc formation in central Queensland Australia near Richmond. This makes it about 98 to 100 million years old. The bone at longest length is 17 mm so still quite small. Thanks for any input in advance. Mike D'Arcy
  15. Goblin or something else?

    Found this tooth at Waco site. Del Rio formation, Albian.
  16. Howdy! Not long ago I acquired this nice 11-inch ammonite from Texas. Per seller this was collected at a quarry in Crawford- a fast glance at maps show a variety of formations in the area including Edwards group formations. From the best of my knowledge this ammo is a species of Oxytropidoceras genus and a nice-sized one. Anyway... the question of this thread: Within the inner whorl is a collection of shelly material. When I purchased the piece I assumed it all to be indistinct shelly debris but in hand it appears more distinct in form and perhaps identifiable. I have my own guess to what it is, but I thought I'd have the many Texas-based collectors here at TFF have a look at it first, if it's not too rude to ask. Can the inner material be identified? Thanks in advance!
  17. Plesiosaur

    From the album Albian vertebrates of Ukraine

    Elasmosaurid (?) tooth
  18. Shark teeth unidentified

    Here are several teeth from Late Albian of Ukraine (Kanev region). Help with identification will be very appreciated. Other fossils from this site 1. Tooth is fairly worn, but it should preserve the original shape (no cusplets). Root is poorly preserved, but is it possible to determine who it came from? I am thinking about an early Anacoracid or a Carcharhiniform (Triakidae)? By the way, Anacoracids are extremely rare there, so there is really nothing for comparison. 2. Most likely a tiny Synechodus crown, but the shape looks weird for Synechodus. Could it be a Scyliorhinid? 3. Anacoracid? It has some serrations on the distal side. Also thought about Squaliform, but the root looks more lamnoid-like. 4. Scyliorhinid or Lamnoid?? 5. Almost 100% sure it is a Hemiscylliidae, but is it possible to determine the genus? I am leaning towards Chilloscyllium, but not sure.
  19. 'Heterodontus' upnikensis

    A - lateral; B, C, D - anteriors. Anterior teeth have typical of Heterodontus V-shaped root and marked cutting edge. Unlike H. canaliculatus anteriors, anteriors of ‘H.’ upnikensis have more convex labial side (so that cutting edge is situated in the middle of the lateral surface) and no lateral cusplets. Crown generally widens near the base, so most teeth have regular triangle shape of a labial face. Teeth located closer to symphysis display more mesiodistally compressed crowns. Enamel is smooth on both faces. Lateral teeth are also different from H. canaliculatus: they have lower and shorter central occlusal ridge and lateral ridges are highly anostomosed on both sides, so that complete tooth ornamentation has a net-like appearance. ‘Heterodontus’ upnikensis is an enigmatic species. No associated tooth set has been found yet, consequently it is impossible to tell that a given set of laterals actually belong to ‘H.’ upnikensis. There is a possibility that lateral teeth described here as ‘H.’ upnikensis here belong to another Heterodontus species not represented by anteriors in Kanev collection. They were assigned to this species because there is generally some degree of tooth plan similarity between anteriors and laterals of the same species. Laterals described here have: 1) relatively weak and short central occlusal ridge; this trait is similar to ‘H.’ upnikensis shorter cutting edge because of lateral cusplet absence; 2) more bilateraly symmetrical crown shape and ornamentation across the central occlusal ridge than in H. canaliculatus; this feature is analogous to relatively equal thickness of labial and lingual face on ‘H.’ upnikensis anterior teeth. Also, anteriors of ‘H.’ upnikensis are a lot more common in studied locations than H. canaliculatus, and the same trend applies to two found Heterodontus lateral teeth morphotypes with H. canaliculatus teeth being a lot scarcer.
  20. Protoshyraena

    From the album Albian vertebrates of Ukraine

    Size 2 cm.
  21. Synechodus dubrisiensis

    From the album Albian vertebrates of Ukraine

    A - posterior B - lateral
  22. Synechodus dubrisiensis var. tenuis

    From the album Albian vertebrates of Ukraine

    Unusually large Synechodus tooth
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