A Population of Haideotriton in Florida

Pylka, Joseph M.; Warren, Richard D.

doi:10.2307/1439974

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Structure of the eye of Haideotriton wallacei, a North American troglobitic salamander

Brandon

1968

Journal of Morphology

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The eye of Haideotriton wallacei is more reduced histologically than those of other troglobitic salamanders. The tiny eye is imbedded in a mass of adipose tissue. No extrinsic eye muscles are present. A rudimentary lens is present in about half of the eyes examined. In two instances the lens is surrounded by a small chamber; most eyes lack a chamber. The retina and iris are relatively undifferentiated. The relatively massive retina lacks rods and cones, an outer plexiform layer and subdivided nuclear layers. A tiny optic nerve runs to the brain.

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