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Found 7 results

  1. A few weeks ago I went snail collecting in a drainage canal that is in an outcrop of Eagle Ford - Britton formation , haven't been for awhile and there was a lot of erosion that changed things up. This area must have been very shallow Ive only found a few small ammonites and baculites the majority of finds are crab concretions. This time however no concretions, but various crab parts with unusual preservation of certain things First up want to confirm ID of Cenomanocarcinus vanstraeleni and is that an eyeball? The carapace is a little wonky and missing some but it's definitely round. Also showing area where it appears shell was ripped away and that's what's left.
  2. Mikrogeophagus

    Vertebrate coprolites, Turner Park

    From the album: Eagle Ford Group

    Vertebrate coprolites, Dallas Co. Cenomanian, Cretaceous Jan, 2023 Coprolites with articulated(?) bony fish inclusions. High quality vertebrate coprolites, bentonite layers, and tan/buff coloration are characteristic of the Turner Park Member of the Britton Formation of North Texas.
  3. On Wednesday, October 12th, I took another trip to a nearby favorite spot of mine that I found a few years ago which exposes the Sciponoceras gracile Zone, Camp Wisdom Member, Upper Britton Formation of the Eagle Ford Group here in Texas (Late Cenomanian-Early Turonian, 92-95mya), and had probably my best hunt from this site, including several different ammonites, a few shark teeth, my first Enchodus, and 26 Ferroranina dichrous crabs! First find was this very nice Yezoites delicatulus (Scaphitidae) ammonite A very worn Ptychodus sp. (Ptychodontidae) shark tooth: Sciponoceras gracile (Baculitidae) ammonite, namesake of the zone: Dead modern Procambarus steigmani — this crayfish is endemic to northeast/north central Texas: Legs of a Linuparus sp. likely L. grimmeri (Palinuridae) spiny lobster: Metoicoceras geslinianum (Acanthoceratidae) ammonite: Pair of Inoceramus capulus (Inoceramidae) bivalves: Some of the 26 total Ferroranina dichrous (Palaeocorystidae) crabs found during the day: Selenite crystals: Opuntia macrorhiza (Cactaceae), as a botanist this genus is one of my focus groups: Cameleolopha bellaplicata subsp. bellaplicata (Ostreidae) oyster occurring here as overwash from the younger Turonian Arcadia Park Formation (89-91mya) which is otherwise long since eroded away in this area: Next into some things I decided to take nice camera photos of (and consequently some of the best finds of the day) A nice tiny Cretalamna appendiculata s.l. (Otodontidae) shark tooth: My first Enchodus (Enchodontidae) fish tooth, I’m not sure which species are known from the Britton: cf. Margarites sp. (Margaritidae) gastropod, the first of this family I’ve seen in the Britton: A very beautiful Ptychodus anonymus (Ptychodontidae) shark tooth, found while crawling on the ground beneath a slope: Worthoceras vermiculus (Scaphitidae) ammonite, the nicest one I’ve collected: Natica sp. (Naticidae) gastropod, this species is extremely common in much of the Britton: Ferroranina dichrous (Palaeocorystidae) crab: My first Nannometoicoceras acceleratum (Acanthoceratidae) ammonite, fittingly tiny: Another Inoceramus capulus (Inoceramidae) bivalve: Hesperotettix speciosus (Acrididae) grasshopper: Really interesting preservation on this Ferroranina dichrous (Palaeocorystidae) crab that I had never seen before, these are almost always found in orange to dark red concretions: The total Ferroranina dichrous haul: The Nannometoicoceras acceleratum after some cleanup showing the distinctive tiny, conical umbilicus and tubercle arrangement:
  4. Untitled

    Pathological Cretalamna sp. Texas

    From the album: Cretaceous Shark Teeth

    Texas Cretalamna with moderate pathologies, from Britton Formation, Eagle Ford Group.
  5. Untitled

    Pathological Cretalamna sp. Texas

    From the album: Cretaceous Shark Teeth

    Texas Cretalamna with moderate pathologies, from Britton Formation, Eagle Ford Group.
  6. On Sunday afternoon I went out with Keith Minor to a North Texas site exposing the lower Arcadia Park formation and (possibly?) the top of the Britton Formation (lower Turonian, upper Cenomanian respectively). The hunt almost never happened after various storm cells were menacing us and the high winds were thrusting cranes into sky scrapers and whipping up emphysema inducing dust clouds. Yet, even though everyone around us was getting Kansas blown at them, we were only exposed to the high winds and rain so cold and blown so hard that it felt almost like hail. But that lasted for only a few minutes, leaving the rest of the day to muck around in the Turonian while the winds blew most of the clouds away by hunt’s end. The Kamp Ranch Limestone is exposed very nicely at the site, as well as meters of shale beds above and below it, making a short study of the successive stratification obligatory. FIG 1: The roughly 38 cm (15 inch) thick Kamp Ranch jutting out amongst the soft shale and clay above and below it. The clouds foretell the showers to befall us. (ID request incoming)
  7. Macrophyseter

    Brachauchenius

    Brachauchenius lucasi finds are more based in Kansas, but examples in Eagle Ford Texas have been found, most notably Willison's 1907 second B. lucasi skull which has been found in the same area. There is a possibility that this tooth could actually be Polyptychodon hudsoni which have been also found in Eagle Ford, but based on the morphology of the tooth (especially the root part near the crown), I think it is more likely B. lucasi.
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