http://www.thefossilforum.com/index.php?/topic/23322-how-do-i-know-what-kind-of-orthocone/
Fossilworks: Michelinoceras michelini
Michelinoceras is the oldest known genus of the Michelinocerida, more commonly known as the Orthocerida, characterized by long, slender, nearly cylindrical orthocones with a circular cross section, long camerae, very long body chambers, and a central or near central tubular siphuncle free of organic … See more Michelinoceras ranges from late in the Early Ordovician to the Devonian with more poorly known species from the Carboniferous to the Late Triassic included in the genus. The earliest known unequivocal species … See more • Flower, R.H. 1976; Ordovician Cephalopod Faunas and Their Role in Correlation, pp 538–541; proceedings pub. Paleontological … See more Michelinoceras named by Foeste in 1932 is the ancestral and characteristic genus of the Michelinoceratidae, established and described by Flower … See more • List of nautiloids See more WebOrthoceras ("straight horn") is a genus of extinct nautiloid cephalopod. This genus is sometimes called Orthoceratites. Note it is sometimes misspelled as Orthocera, Orthocerus or Orthoceros (Sweet 1964:K222). Orthoceras fossils are common and have a global distribution, occurring in any marine rock, especially limestones. These are slender, … palmi pasticceria
Lot: 20 Orthoceras Towers - Morocco - fossilera.com
WebThe fossil fauna is highlighted by abundant and diverse crinoids and brachiopods, plus corals, bryozoans, including Archimedes (corkscrew bryozoan), molluscs, sharks, and fish, … WebDec 7, 2024 · Michelinoceras aldenense pyritized fossil nautiloid from the Devonian of New York State, USA. (4.1 centimeters across) Nautiloids are squid-like creatures that … WebMichelinoceras named by Foeste in 1932 is the ancestral and characteristic genus of the Michelinoceratidae, established and described by Flower in 1946; derived from empty … エクセル true