middle cambrian
Word Rarity
Rare
Frequency: Zipf frequency 2.97 in modern English
24
Scrabble Score
14
Letters
5
Syllables
10
Unique Chars
Meaning
name
An epoch from 513 to 501 million years ago, ending with the first occurrences of Glyptagnostus reticulatus in the fossil record.
Dated
Usage
Inflected Forms
the Middle Cambrian (canonical)