Stethacanthus altonensis (Elasmobranchii) from the Bear Gulch Limestone of Montana by Richard Lund Download PDF EPUB FB2
Stethacanthus altonensis (Elasmobranchii) from the Bear Gulch Limestone of Montana (Annals of Carnegie Museum ; v.
45, article 8) Unknown Binding – January 1, by Richard Lund (Author)Author: Richard Lund. Stethacanthus altonensis Stethacanthus, comes from the Greek "steth" meaning "chest" and "akanthos" meaning "spine" or "thorn" it is an extinct genus of shark which lived from the Late Devonian to Early Carboniferous epoch, dying out around million years ago.
Stethacanthus was a predator, preying on small fish, cephalopods, and brachiopods. Although its teeth were relatively small, they were still sharp, and were used to get a hold of any struggling prey. Ecology Edit. Stethacanthus's unique, anvil-shaped dorsal fin had many possible uses.3rd Species: Stethacanthus praecursor.
Stethacanthus altonensis, United States of America, Montana Skip to main content Museums Victoria Collections Our collections Our API About Expand search box Search Search.
Stethacanthus (Stethacanthus altonensis) may refer to the following downloads: Stethacanthus (Bunyupy), Stethacanthus (SpinoSquad). In most ways, Stethacanthus was an unremarkable prehistoric shark of the late Devonian and early Carboniferous periods-; relatively small (a maximum of three feet long and 20 or so pounds) but a dangerous, hydrodynamic predator that posed a constant menace to small fish as well as other, smaller sharks.
What really set Stethacanthus apart was the strange protrusion, often described as an. In another specimen of Stethacanthus dubbed the 'Bearsden Shark was discovered in Scotland near Glasgow.
This was a very important find as much of the cartilaginous skeleton was preserved. This was a very important find as much of the cartilaginous skeleton was preserved. Within the talk new material from two horizons in Stethacanthus altonensis book were mentioned one Stethacanthus altonensis(fig.
Stethacanthus altonensis book Figure 6 Stethacanthus which until this point has only been known from Bear gulch in Montana and is represented by quite substantial material which will help clear things up and Akmonistion zangerli (fig.7) known previously from.
Stethacanthus is a shark from Late Devonian to Early Carboniferous and was found in Europe, North America, China, and Russia.
Stethacanthus is means "chest spike" in Greek. Description: It was 2 too 3 feet long, and was possibly 10 to 20 pounds. Stethacanthus that were male had an iron board on top with small spikes on top; females on the other hand just had mini spikes on top.
Refrences Class: Chondrichthyes. Stethacanthus altonensis is the type species of the Family Stethacanthidae, therefore, all Stethacanthids meet certain morphological characters best represented in this species.
WikiMatrix. Stethacanthus altonensis, like the other stethacanthid sharks, displayed conspicuous sexual had large spike-like denticles on top of head and the crest of the highly modified first dorsal fin. The fin and spine of S. altonensis are back-to-back upright triangles with the dorsal fin movably hinged to the rear margin of the spine by a tongue-in-groove : Stethacanthidae.
Stethacanthus is a prehistoric shark which lived from the Late Devonian to the Early Carboniferous Period about to million years ago. It was first discovered in the nineteenth century and was named by John Strong Newberry in This shark’s name means “chest spike.” Fossils of this shark have been found all over China, Europe.
Stethacanthus Newberry, Type species: Physonemus altonensis Create a book; Download as PDF; Printable version; Tools What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Wikidata item.
The new genus and species Orestiacanthus fergusi is proposed for the specimens, and it is suggested that recent attempts to synonymize the species of Stethacanthus on the basis of spines are unjustified. The specimens also share the enlarged cranial denticles, general form of the palatoquadrate, cladodont teeth and pectoral fin with S.
by: Stethacanthus, commonly called the ironing-board shark, is an extinct genus of shark-like Holocephalian which lived from the Late Devonian to Early Carboniferous periods, dying out around million years ago. Fossils of Stethacanthus have been found in Europe and North America.
Stethacanthus means "chest spine" in ancient Greek, and refers to the signature anvil-shaped first dorsal fin and Class: Chondrichthyes. Stethacanthus in an extinct genus of sharks that lived around the late Devonian epoch to the early Carboniferous epoch.
The discovered remains of Stethacanthus sharks are very similar to extant species of sharks, although there are differences that make them a species separate from those sharks. Firstly, the tails of Stethacanthus sharks are symmetrical and there is an attachment, called the.
†Stethacanthus Newberry (elasmobranch) Chondrichthyes - Symmoriiformes - Symmoriidae. PaleoDB taxon number: Invalid subtaxa: Cladodus hibberti Agassiz [nomen dubium] (no.
), Pinegocaptus Minikh (no. ) Parent taxon: Symmoriidae according to A. Ivanov and O. Lebedev Sister taxa: Cobelodus, Gutturensis, Orestiacanthus, Petrodus. Stethacanthus is an extinct genus of shark which lived in the Early Carboniferous epoch, around million years ago.
Fossils have been found in Europe and North America. Stethacanthus was around 70 centimetres ( ft) long, and in many respects, had a typical shark-like appearance. However, it is best known for its unusually shaped dorsal fin, which resembled an anvil or ironing : Chondrichthyes.
†Stethacanthus altonensis St. John and Worthen (elasmobranch) Chondrichthyes - Symmoriiformes - Symmoriidae.
PaleoDB taxon number: You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them., Free ebooks since Fenton Basket Patterns: Acanthus to Hummingbird (Schiffer Book for Collectors) by Debbie Coe | out of 5 stars 9.
Hardcover $ $ Get it as soon as Mon, Nov FREE Shipping by Amazon. Only 6 left in stock (more on the way). More Buying Choices $ (22 used & new offers). Larger species, such as Stethacanthus altonensis St. John and Worthen, and Akmonistion zangerli Coates and Sequeria,have coarse longitudinal cristae (Zidek, ;Coates and Sequeria Author: Richard Lund.
Specimens are referred to Stethacanthus cf. altonensis and S. productus. Two other species are too immature to assign with certainty to known stethacanthid spine species. The histology and morphology of three isolated cladodont tooth types is described, one of.
Stethacanthus altonensis is the type species of the Family Stethacanthidae, therefore, all Stethacanthids meet certain morphological characters best represented in this species. Stethacanthids are medium-sized cladodont shark-like holocephalians with a short rostrum, broad supraorbital region, and short otic : Chondrichthyes.
Stethacanthus Stethacanthus ("Breast spine") is an extinct genus of shark which lived in the Late Devonian and Early Carboniferous epochs, around million years ago. The creature was almost one meter long.
It probably hunted smaller creatures such as small fish. Fossils have been found in Europe and North America. Etymology Description Stethacanthus was around 70 centimeters ( ft) long Family: Stethacanthidae.
Stethacanthus is an extinct genus of Shark which lived from the Late Devonian to Early Carboniferous epoch, dying out around million years ago.
Fossils have been found in Europe and North America. Want to discover art related to stethacanthus. Check out inspiring examples of stethacanthus artwork on DeviantArt, and get inspired by our community of talented artists.
Albertosaurus sarcophagus (It was scrapped, but it was inaccurately planned to be portrayed in Maastricht USA according to the book, when it had actually lived during the Campanian in Canada.) Cimolestes incisus (It was originally meant to appear in Death of a Dynasty according to the book, but it was scrapped.).
The first creatures with backbones emerged during the Paleozoic Era. Here, the shark (Edestus heinrichi) pursues its prey (Iniopera richardsoni). Stethacanthus altonensis, the shark with the unusually shaped dorsal fin, glides among the sea lilies the distance.
One of the new exhibits is on extinct North American sharks. Two of these, Helicorpion Ferrieri and Stethacanthus altonensis, were remarkable in their oddity. Each one presents a formidable puzzle involving their “teeth.” These are perhaps among the most queer fish I’ve ever seen.
A Stethacanthus elég gyorsan tudott úszni, de ennek ellenére sokszor az éhes Dunkleosteus terrelli zsákmányává vált. A Stethacanthus 70 centiméter hosszú volt.
Rendszerezés. A nembe az alábbi 8 faj tartoik: Stethacanthus altonensis St. John & Worthen, - típusfaj; Stethacanthus Altörzs: Gerincesek (Vertebrata).This page was last edited on 28 Julyat Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may using.As the larger of the two, Orthacanthus would have specialised in larger and more powerful prey that it would have seized with its double fanged teeth. The overall eel like body morph of Orthacanthus is a reflection of its habitat. Rather than being a pelagic open seas predator, Orthacanthus hunted in freshwater swamps.