Taxonomy of the eolid nudibranchCratena pilata (gould)Springer Science and Business Media LLC - Tập 9 - Trang 264-266 - 1968
David R. Franz
Taxonomically important aspects of the anatomy of the common eolid nudibranch,Cratena pilata, are presented. The uniserate radula possesses a prominent central cusp and 4 to 7 lateral cusps. Up to 60% of radular teeth may be asymmetric. The triangular, slightly emarginate jaws are described and figured. The genitalia are of the facelinid type and are described. The penis is unarmed. On the basis o...... hiện toàn bộ
Meiofauna-macrofauna interactions: I. Sand beach meiofauna affected by maturingLimulus eggsSpringer Science and Business Media LLC - Tập 17 - Trang 297-299 - 1976
William D. Hummon, John W. Fleeger, Margaret R. Hummon
Differential aggregation of meiofauna was associated with the presence of maturingLimulus eggs in a Roosevelt Inlet, Delaware, beach. Nematodes, gastrotrichs, oligochaetes and rotifers increased, whereas harpacticoid copepods, tardigrades and megalops larvae decreased; ostracods, turbellarians and nauplius larvae remained constant. Increase of Gastrotricha was attributable to but one of the severa...... hiện toàn bộ
Summer occurrence of an immature little piked whale,Balaenoptera acutorostrata, in Chesapeake Bay, MarylandSpringer Science and Business Media LLC - Tập 3 - Trang 206-209 - 1962
Frank J. Schwartz
The occurrence of an immature female little piked whale, found stranded July 12, 1959, at Dares Beach, Chesapeake Bay, Maryland, sheds new light on the summer range of this species. This cetacean has never been recorded in Chesapeake Bay before. Osteological and body measurement comparisons between this and an immature and adult specimen are discussed. The croaker,Micropogon undulatus, constitutes...... hiện toàn bộ