Observed with group leader Rick Lathrop.
terrestrial flatworm? or ribbon worm?
Brown striped flatworm.
From Threespine Stickleback
The rain really brings them out - this is my ninth one along my
Near precious 3 flatworms there was another 3cm one and this adorable 1cm individual
The flatworms, known in scientific literature as Platyhelminthes or Plathelminthes (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning worm) are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrate animals. Unlike other bilaterians, they have no body cavity, and no specialized circulatory and respiratory organs, which restricts them to having flattened shapes that allow oxygen and nutrients to pass through their bodies by diffusion. The digestive cavity has only one opening...