Porifera: Sponge borings in bivalve shell3D Model
Modern specimen of the bivalve Spisula solidissima showing numerous holes made by boring sponges (T-210). These dwelling traces are called Entobia. Specimen is from Cape May County, New Jersey and is part of the teaching collection of the Paleontological Research Institution, Ithaca, New York. Width of clam shell is approximately 12.5 cm. Model by Emily Hauf.