Opisthopora
Opisthopora (phylum Annelida, class Oligochaeta) An order of mainly terrestrial worms all of which have paired testes. There are eight families, and many members are earthworms (e.g. the genera Lumbricus, Glossoscolex, and Megascolex).
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Psilophytales
Psilophytales (psilophytes) Primitive pteridophytes, which were the earliest vascular plants, from the Silurian an… Bug , bug
bug / bəg/ • n. 1. a small insect. ∎ inf. a harmful microorganism, as a bacterium or virus. ∎ an illness caused by such a microorganism. ∎ fig.,… Painter, Eleanor (1890–1947) , pair / pe(ə)r/ • n. a set of two things used together or regarded as a unit: a pair of gloves. ∎ an article or object consisting of two joined or cor… Plethodontid Salamanders , Plethodontidae (lungless salamanders; class Amphibia, order Urodela) A family of amphibians in which the adults usually lack gills and lungs. They ar…
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Opisthopora