cambrian period
Noun
-
From 544 million to about 500 million years ago;
Marine invertebrates (synset 115153501)is an instance of: geological period, period - a unit of geological time during which a system of rocks formedis a part of: paleozoic, paleozoic era - from 544 million to about 230 million years agosame as: cambrian
Found on Word Lists
Other Searches
- Rhyme: Dillfrog, RhymeZone
- Definition: Wiktionary, Dictionary.com, Wikipedia, Merriam-Webster, WordNet, Power Thesaurus
- Imagery: Google, Flickr, Bing