Spongilla lacustris Spicule

Transmitted Brightfield Illumination

Definition/Function:

Spongilla lucustris is a freshwater sponge that is distributed widely around the world. It possesses megasclere, microsclere, and gemmule spicules.

Significance in the Environment:

Characteristic Features:

Associated Particles:

References:

Pennak, Robert W., FRESH-WATER INVERTEBRATES OF THE UNITED STATES, 2nd Ed., Wiley Interscience, pp. 80-98, 1978.
(Identification Key for Freshwater Sponge Spicules)

Wilding, L.P. and L. R. Drees, "Distribution and implications of sponge spicules in surficial deposits in Ohio", THE OHIO JOURNAL OF SCIENCE, vol. 68, no. 2, pp. 92-99, 1968.
(Transport Mechanisms for Spicules far from Lakes)

Kratz, T.K., K.E. Webster, C.J. Bowser, J.J. Magnuson, and B.J. Benson, "The influence of landscape position on lakes in northern Wisconsin", FRESHWATER BIOLOGY, vol. 37, pp209-217, 1997.
(Environmental Factors Favoring Production of Sponge Spicules)