Thesaurus.com
Dictionary.com
Showing results for protohuman. Search instead for protonemal.
Definitions

protohuman

[proh-toh-hyoo-muhn, -yoo-] / ˌproʊ toʊˈhyu mən, -ˈyu- /
NOUN
missing link
Synonyms
WEAK
broken thread omission prehuman

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.