trilobites

2 subentries

• trilobites (59:1sec)
• mud eaters; sexed animals; some had aborted eyes (59:1.19)
• predecessors of crustaceans; nearly disappeared (59:2.10) (59:3.5,11) (59:5.8)

Cited alongside

Headwords that cite the same paragraphs as this one, commonest first. The number is how many subentries each has.

• crinoids 1
• echinoderms 0
• evolution 89
• mollusks 1