Definition of Dactylioceras. Meaning of Dactylioceras. Synonyms of Dactylioceras

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Definition of Dactylioceras

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Meaning of Dactylioceras from wikipedia

- Dactylioceras was a widespread genus of ammonites from the Lower Jur****ic period, approximately 180 million years ago (mya). The name Dactylioceras comes...
- not cover those preceding, the specimen is said to be evolute (e.g., Dactylioceras). A thin living tube called a siphuncle p****ed through the septa, extending...
- defined by the first appearance of ammonites belonging to the subgenus Dactylioceras (Eodactylites). The Aalenian is named after the city of Aalen in Germany...
- Microdactylites, which is sometimes considered to be a synonym of Dactylioceras, is genus of ammonite that lived during early to middle Toarcian stage...
- A snakestone from near Whitby, with head carved onto a specimen of Dactylioceras commune (Sowerby, 1815), Whitby Formation, Toarcian Stage, late Lower...
- Belemnites with Early Jur****ic Dactylioceras ammonites...
- variabilis zone of Hildoceras bifrons zone of Harpoceras serpentinum zone of Dactylioceras tenuicostatum "International Chronostratigraphic Chart" (PDF). International...
- early Jur****ic. It has evolved from Prodactylioceras, or Cetonoceras. Dactylioceras (Eodactylites) has probably evolved from this genus. Aveyroniceras is...
- in the deposits, including ammonites such as Hildoceras bifrons and Dactylioceras bifrons and also Ichthyosaur and Plesiosaur remains, though the latter...
- indet. Crustacea indet. Bivalvia indet. Teuthidea indet. Ammonites Dactylioceras sp. Harpoceras sp. Plantae indet. List of fossiliferous stratigraphic...