: a genus (the type of the family Endoceratidae) of Ordovician and Silurian nautiloid cephalopods with a straight shell having a very large siphuncle and endocones and reaching a length of 12 feet
adjective or noun

Word History


New Latin, from end- + -ceras

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Dictionary Entries Near Endoceras

Cite this Entry

“Endoceras.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Endoceras. Accessed 20 Jul. 2024.

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