A concise abstract of no more than 300 words should summarize results of the paper and must mention all new systematic names. Abstract should be written in English and Spanish. Also provide 4 to 6 keywords placed beneath the abstract. In the systematic work , the level of the highest taxon is at the discretion of the author, but must always be accompanied by authority and date. Keep tables few and simple.
Captions are to be typed separately.
Bolli, H., Beckmann, J.P. and Sanders, J. 1994. Benthonic foraminiferal biostratigraphy of the South Caribbean Region . M ller, A.H. 1979. Drawings, diagrams, photographic text-figures and plates should be compiled on separate sheets and numbered according to their sequence in the text. Good quality illustrations, ready for reproduction, should be not larger than double the final size.