Low-resolution vision in a velvet worm (Onychophora)
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DOI: 10.1242/jeb.175802
Abstract: ABSTRACT Onychophorans, also known as velvet worms, possess a pair of simple lateral eyes, and are a key lineage with regard to the evolution of vision. They resemble ancient Cambrian forms, and are closely related… read more here.
Keywords: resolution; low resolution; spatial resolution; vision ... See more keywords
The sea urchin Diadema africanum uses low resolution vision to find shelter and deter enemies
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DOI: 10.1242/jeb.176271
Abstract: ABSTRACT Many sea urchins can detect light on their body surface and some species are reported to possess image-resolving vision. Here, we measure the spatial resolution of vision in the long-spined sea urchin Diadema africanum,… read more here.
Keywords: africanum; sea urchin; vision; urchin diadema ... See more keywords