Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos
Dibranchia
Directory
References
Discover
Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd
Causes of the Great Depression
United States elections portal page linking to each election interactive
A History of U.S. Presidential Elections in Maps
Election - Button that says Vote. Badge pin stars and stripes politics campaign
Why Are U.S. Elections Held on Tuesdays?
David Cameron. President Barack Obama and Prime Minister David Cameron of the United Kingdom talk during the G8 Summit at the Lough Erne Resort in Enniskillen, Northern Ireland, June 17, 2013
What’s the Difference Between a President and a Prime Minister?
Globe South America, map
What’s the Difference Between Hispanic and Latino?
Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
10 Famous Artworks by Leonardo da Vinci
United States Electoral College votes by state
How Many Electoral College Votes Does Each U.S. State Have?

Dibranchia

former cephalopod taxon

Learn about this topic in these articles:

historical classification of cephalopods

  • blue-ringed octopus
    In cephalopod: Critical appraisal

    …were both placed in the Dibranchia, in contrast to all fossil forms, which were considered as Tetrabranchia because Nautilus has four gills rather than two. This unnatural classification, accepted by the French zoologist Alcide d’Orbigny in 1838, was gradually modified through the efforts of the Swiss zoologist Adolph Naef and…

    Read More