Difference between revisions of "Translations:AY Honors/Fossils/Answer Key 2/49/en"
From Pathfinder Wiki
(Importing a new version from external source) |
(Importing a new version from external source) |
||
| (One intermediate revision by the same user not shown) | |||
| Line 1: | Line 1: | ||
</noinclude> | </noinclude> | ||
| − | + | <!-- b. Crinoid, Graptolite --> | |
| − | + | Crinoids, also known as "sea lilies" or "feather-stars", are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). There are only a few hundred known modern forms, but crinoids were much more numerous both in species and numbers in the past. Some thick limestone beds dating to the mid- to late-Paleozoic are entirely made up of disarticulated crinoid fragments. | |
Latest revision as of 15:31, 27 March 2024
Crinoids, also known as "sea lilies" or "feather-stars", are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). There are only a few hundred known modern forms, but crinoids were much more numerous both in species and numbers in the past. Some thick limestone beds dating to the mid- to late-Paleozoic are entirely made up of disarticulated crinoid fragments.
