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1
Echinodermata - Pagina 272
Rotula 's uniquely shaped, posterior margin can be explained if a feeding role is invoked (Alexander & Ghiold 1980; Smith & Ghiold 1982; Ghiold 1984). Also, closed anterior lunules in Rotula agusti are necessary because open lunules ...
Brendan F. Keegan, Brendan D.S. O'Connor, 1985
2
Echinoderm Nutrition - Pagina 102
Smith 1980b) Sifting of the sediments on the aboral face (Goodbody 1960, Moss 1977, R.D.Smith 1978, Ghiold 1979, A.B.Smith 1980b) Probably help the primary spines Mucus secretion (Good- body 1960, Chia 1969d. Ghiold 1979) Cleaning ...
Michel Jangoux, John M. Lawrence, 1982
3
The Cayman Islands: Natural History and Biogeography - Pagina 198
Ghiold, J. 1979. Spine morphology and its significance in feeding and burrowing in the sand dollar Mellita quinquiesperforata (Echinodermata: Echinoidea). Bull. Mar. Sci. 29: 481–490. Ghiold, J. 1982. Observations on the clypeasteroid ...
M.A. Brunt, J.E. Davies, 2012
4
Echinoderms: Munchen: Proceedings of the 11th ... - Pagina 25
They use their spines for burrowing, and the functional morphology of the spines has been studied (e.g., Bell & Frey 1969, Seilacher 1979, Smith 1980, Ghiold 1979, Ghiold & Seilacher 1982). It is believed that sand dollars support sand grains ...
Thomas Heinzeller, James H. Nebelsick, 2005
5
A Functional Biology of Echinoderms - Pagina 311
Lond, 1915, 1-19 Ghiold, J. (1979) Spine morphology and its significance in feeding and burrowing in the sand dollar Mellita quinquiesperforata (Echinodermata: Echinoidea), Bull. Mar. ScL, 29, 481-90 Ghiold, J. (1982) Observations on the ...
6
Echinoderms - Pagina 56
Fringe spines do not sort particles with tiny basal teeth as suggested for Mellita quin- quiesperforata by Ghiold (l979). Once the sand grains are on the top of the aboral spine canopy, the expanded tips of shoe and miliary spines roll and ...
7
Controversies in Modern Geology: Evolution of Geological ...
hiold (1985) tested family extinction data against a neutral model which assumed that extinction rate fluctuates as a random walk. The number of extinction peaks did not differ significantly from the expectations of the random ...
Daniel W. Müller, Judith A. MacKenzie, H. J. Weissert, 1991
8
Echinoderm phylogeny and evolutionary biology - Pagina 167
Instead, by flattening the vertical dimension and paedomorphically increasing the number of spines, they were able to exploit the relatively nutrient-rich sediment-water interface via adapical feeding (Seilacher 1979; Smith 1984; Ghiold 1984).
Christopher R. C. Paul, Andrew B. Smith, 1988
9
Biology and Ecology of Shallow Coastal Waters: Proceedings ...
It is commonly camouflaged by large shell fragments and blades of turtle grass on its aboral side (Kier & Grant 1965, Kier 1975, Seilacher 1979, Ghiold 1984). C. rosaceus has been described as feeding on seagrass detritus only (Kier 1975) ...
Anastasios Eleftheriou, Christopher Smith, Alan D. Ansell, 1995
10
Echinoderm studies 4 (1993) - Pagina 54
Some examples dealing with echinoderms exist (Maluf 1988, Perez-Ruzafa & Lopez-Ibor 1988, Ghiold & Hoffman 1 989). However because the clustering technique provides straightforward results, the completeness of the data set takes on ...
