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

- name Dactylioceras comes from the Gr**** dactyl, meaning “finger”, and keras, meaning "horn" and refers to the s****'s branching ribs. Dactylioceras are...
- defined by the first appearance of ammonites belonging to the subgenus Dactylioceras (Eodactylites). The Aalenian is named after the city of Aalen in Germany...
- 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...
- A snakestone from near Whitby, with head carved onto a specimen of Dactylioceras commune (Sowerby, 1815), Whitby Formation, Toarcian Stage, late Lower...
- variabilis zone of Hildoceras bifrons zone of Harpoceras serpentinum zone of Dactylioceras tenuicostatum "International Chronostratigraphic Chart" (PDF). International...
- Microdactylites, which is sometimes considered to be a synonym of Dactylioceras, is genus of ammonite that lived during early to middle Toarcian stage...
- early Jur****ic. It has evolved from Prodactylioceras, or Cetonoceras. Dactylioceras (Eodactylites) has probably evolved from this genus. Aveyroniceras is...
- and more or less bituminous with abundance of Steirmannia radiata and Dactylioceras semieelatum. This section is marked by pyritized lagerstatten fossils...
- Dactylioceratinae Hyatt, 1867 Reynesoceras Spath, 1936 Dactylioceras Hyatt, 1867 D. (Dactylioceras) Hyatt, 1867 D. (Orthodactylites) Buckman, 1926 D. (Iranodactylites)...
- Cyrtochilus Cyrtoclymenia Cyrtopleurites Cyrtosiceras Czekanowskites Dactylioceras Dagnoceras Daixites Dalmasiceras Dalmatites Damaisiceras Damesiceras...