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  1. Tidgy's Dad

    Adam's Early / Lower Devonian

    The Devonian period is known as "The Age of Fish", but could also be known as "The Age of Brachiopods." In the Early / Lower Devonian, brachiopods reached the height of their diversity towards its end in the Emsian. We see the ancestral groups occurring, lingulids, craniids, orthids, protorthids, pentamerids, rhynchonellids and strophomenids, as well as the later successful groups we have seen before such as atrypids, athyrids and orthotetids, plus the rise of spiriferids, spiriferinids and productids and the beginning of the terebratulids. By the end of the Devonian , several of these groups are extinct or severely reduced in importance and brachiopods never quite recover. Also, the Devonian is the last time we see trilobites with such variation, large sizes and numbers and orthocerids too are much more uncommon after the rise of the goniatites. The massive tabulate coral reefs also disappear after the Devonian. Fascinating period and I hope to share some of its wonders with you. Equally, a lot of this is rather new to me, so I would be very grateful for any assistance, corrections or further information on my specimens. Thank you. The Early Devonian epoch is split into three stages, so let's start with the first of those, the Lochkovian, that began about 419 mya and finished roughly 411 mya. I have been sent a nice selection of brachiopods from the Kalkberg Formation, Helderberg Group by the Mighty @Misha, mostly. But the kind gentleperson also sent me this fascinating little bryozoan hash : It is dominated by fenestellids, which is usually the case in the Devonian, but other orders sill occur. These ones, I think, are Fenestella, but there are so many species in the formation that I wont take a guess as to species : Not sure what this one is ;
  2. Izan

    Cretaceous Fossil Leaf

    The leaf (5cm long) cames from Fumanya Sud site, in Spain. It's about 72-70 million years old. In geological context it is found in the Tremp Formation, specifically in the group called "Unitat Gris", also know as Gray Garumnian. Does anyone have any idea what species it's or what group it belongs to? Thanks. If you want more photos or information for a better identification, ask!
  3. Emmanuelle

    Crystals covered coral fossil?

    Hi guys , I hope you can help me in identifying this rock .I found it in a small dry river in Catalunya. It is covered by small quartz or calcite crystals I think. I am not sure if it is a fossil, maybe a coral fossil? Thank you 🙏
  4. This are two carboniferous fossils from Arlanza, Spain. The first one is a Pecopteris and the second one is a tree trunk if I am not mistaken. Do you have a different opinion or have a more specific ID? The Pecopteris The tree trunk
  5. Guancho

    Bones?!?

    Ok, so I found these two pieces on eocene deposits in Catalonia. These are probably just extremely big coral, but dreaming is free ... Do you think they could be bones? Possibly ribs of a marine mammal?
  6. Two sets of two rocks. Both from the marine eocene of Catalonia, Spain. Probably just some weirdly eroded rocks but just in case...
  7. Guancho

    Is this part of a crab

    I'm a bit new to this, so this might be a stupid question but here we go. I found this on marine Eocene deposits in Catalonia, Spain. Could this part of a crab? Or maybe an echinoderm?
  8. Tidgy's Dad

    Adam's Cambrian

    A rangeomorph holdfast trace fossil from the Ediacara formation, Rawnsley quartzite of the Flinders Range, South Australia. This specimen is Medusina mawsoni, so called because it was until recently thought to be a jellyfish, but is now believed to be the attachment point of a fractal rangeomorph as Charniodiscus is the point of anchorage for Charnia sp. This one may have been the holdfast point for some species of Rangea. The diameter of the outer circle is 1.5 cm and the fossil is estimated to be 555 million years old.
  9. Izan

    Baby Allosaur footprint?

    In 2018 I made a trip to the Jurassic Museum of Asturias (MUJA) and visited the footprint site of Playa de la Griega. The site has footprints of sauropods and allosaur theropods from 154 million years ago. In the same deposit I found a rock with what at first glance seems to be a footprint, even on some finger you can see what I think is a toe claw. Being so small, I thought it would be from a baby Allosaurus. The setting of the site is coastal, at that time the area was a beach. I doubt that the fossil could be from any bivalve but I am not an expert. Can someone who knows about footprints help me please? If you need more photos, do not hesitate to ask! (The size of the footprint is 3cm long x 2,5 cm) Thanks.
  10. Izan

    Cambrian fossil of Zaragoza

    This summer a friend brought me this rock from the town of Pomer (Zaragoza). The age of the rocks in the area is Cambrian and I think it could be some kind of arthropod, I don't know... It was found at an altitude of 1300m. Can someone help me?
  11. Some time ago I met a fossiliferous area that is located in the transition from the Silurian to the Devonian in Catalonia, Spain. The site is the Santa Creu d'Olorda Quarry. The rocks belongs to the Facies Griotte. I found these specimens in the area and I don't know what they could be. I've read reports that crinoids and some trilobite have been found in the area, but it doesn't look like either. Can any one help me please?
  12. A Spanish association announced today a find of a new Baryonychine. Dario Estraviz Lopez said "its going to be a new Iberian Spinosaurid almost as complete as the holotype of Baryonyx." Very cool and might provide more insights into these dinosaurs.
  13. Hello everyone, first time here... Last week on Burgos, Spain, I found my first fossil. It seems an Echinoidea buy it is very damaged. I have read that there is a lot of types of Echinoidea, can anyone let me know which class specifically is this one? and how old is it? Does it have something inside? It seems to have kind of bright or transparent parts around the fossil (red circle). Sorry for my unknowledge. Thanks in advance for your time!
  14. fifbrindacier

    Las Bardenas Reales

    I decided to visit a very astonishing area in Navarre, in the North of Spain. This site is a semi-desertic area of 41 845 hectares with 45 kilometers from the North to the South and 24 kilometers from the West to the East. It's formation began 70 Million of years ago, when the isle that was Iberia joined Europe. The sea waters were trapped during formation of the Pyrenees and the Catalan and Iberican Mountains, forming a dead sea that was alimented by rivers. Those rivers brought a thickness of sediments that reached until 6 kilometers. 10 Million of Years ago, the depression opened by the Catalan coast and the salted waters flowed away in the Mediterranea leaving the place to the Ebre and its affluents. Fossils from the Miocene have been found there. They show a lacustrine environnent : birds, turtles, mammals, foraminifers, amphibians, ostracods, algae, gastropods. In 199-2000, it was classified by the UNESCO because of its unique biosphere and landscapes. Some movies and series have been filmed there
  15. A new spinosaurid dinosaur species from the Early Cretaceous of Cinctorres (Spain) Abstract A new spinosaurid genus and species is described based on the right maxilla and five caudal vertebrae of a single specimen from the Arcillas de Morella Formation (Early Cretaceous) at the locality of Cinctorres (Castellón, Spain). Protathlitis cinctorrensis gen. et sp. nov. is diagnosed by one autapomorphic feature as well as by a unique combination of characters. The autapomorphy includes a subcircular depression in the anterior corner of the antorbital fossa in the maxilla. The new Iberian species is recovered as a basal baryonychine. The recognition of Protathlitis cinctorrensis gen. et sp. nov. as the first baryonychine dinosaur species identified from the Arcillas de Morella Formation (late Barremian) from the same time as Vallibonavenatrix cani, the first spinosaurine dinosaur from the same formation in the Morella subbasin (Maestrat Basin, eastern Spain), indicates that the Iberian Peninsula was home to a highly diverse assemblage of medium-to-large bodied spinosaurid dinosaurs. It seems that spinosaurids appeared during the Early Cretaceous in Laurasia, with the two subfamilies occupying the western part of Europe during this period. Later, during the Barremian–Aptian, they migrated to Africa and Asia, where they would diversify. In Europe, baryonychines were dominant, while in Africa, spinosaurines were most abundant. s41598-023-33418-2.pdf
  16. Marco90

    Cassiope pizcuetana

    From the album: My collection in progress

    Cassiope pizcuetana Villanova 1859 Location: Teruel, Spain Age: 121 - 113 Mya (Aptian, Early Jurassic) Measurements: 9,6 cm Kingdom: Animalia Phylum: Mollusca Subphylum: Conchifera Class: Gastropoda Subclass: Caenogastropoda Superfamily: Cerithioidea Family: Cassiopidae
  17. LordWampa

    Large gastropod (spain)

    Hello, I have bought this gastropod in a flea market in spain, and I was wondering if it's possible to ID it. Due to it's large size and location my first option is Natica leviathan (now Ampullina leviathan). I don't know if I am right or some body has a different opinion?
  18. Pablo2427

    Mosasaur vertebrae??

    Hello, I'd love to know your opinion about these reptilian vertebrae coming from the lower santonian of northern Spain. Fisrt photo is view from above and second from beneath I've made some guesses about this piece, and I hope some of you could give me your opinion about them. Here come muy guesses: -Taken that it comes from clear ancient marine strata, its general morfphology and its Santonian age, I think it probably is a mosasaur vertebrae. The problem is that there hasn' been any mosasaur reports in these places, basically because vertebrate remains are really rare and fragmented -Supposing that the mosasaur ID is correct, the next logical step would be trying to discover which kind of vertebrae it is. In the second photo, its beneath view, you can see a big spherical gap (it is highlighted in picture 3), and from it, I'veguessed this vertebra cannot be a dorsal, nor a caudal, because the chevrons there are conected to the vertebrae by a symetrical paired haemal arches (so not a big notch in the center) I have related this spherical gap with the small chevron like bones which kind of appear beneath some mosasaur cervicals. To show clearer what a I refering to, picture 4 is a higlighted image of this bone I am refering to So, so far, I've guessed I'm dealing with a mosasaur cervical vertebra I would love to know what are your opinions about these guesses and, also, if there's a detalied mosasaur vertebrae monograph I could go for Thanks in advance!!!! Cheers
  19. phylloceras

    lamina epipeltoceras1

    From the album: Ammonites of the Betic Ranges (Spain) and world

    Epipeltoceras bimammatum, E. semiarmatum, E. semimammatum. Upper Oxfordian (Bimammatum Zone). Betic Ranges, Spain
  20. phylloceras

    IMG_6068

    From the album: Ammonites of the Betic Ranges (Spain) and world

    Laevaptychus sp. Lower Kimmeridgian. Betic Range, Spain
  21. From the album: Ammonites of the Betic Ranges (Spain) and world

    Volanoceras volanense (Oppel, 1863). Lower Tithonian. Betic Range (Spain)
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