"Oolite" Quotes from Famous Books
 ... Crinoids which characterise the successive geological formations. First, it recalls the Cistoids of the palaeozoic rocks, which are represented in its simple spheroidal head; next the few-plated Platycrinoids of the Carboniferous period; next the Pentacrinoids of the Lias and Oolite with their whorls of cirrhi; and finally, when freed from its stem, it stands as the highest Crinoid, as the prominent type of the family in the ...
— Form and Function - A Contribution to the History of Animal Morphology • E. S. (Edward Stuart) Russell |
