| 21. | It belongs to the phylum Mollusca, the class, Bivalvia, the order Unionoida and the family Unionidae.
|
| 22. | This report included systemic descriptions of over 40 families of mollusca, representing 24 superfamilies and four separate orders.
|
| 23. | But he knows more about mollusca gastropoda strombidae strombus gigas _ the Queen Conch _ than most of the natives.
|
| 24. | But an estimate of the total number of Mollusca, including undescribed species, is about 240, 000 species.
|
| 25. | He was distinguished for his researches on the fossil mollusca of the Paris Basin and of other areas Cenozoic cover.
|
| 26. | Plate from John W . Taylor " Monograph of the land & freshwater Mollusca of the British Isles"
|
| 27. | Wilhelm Dunker wrote a large number of scientific publications on the systematics of the Mollusca and described numerous new species.
|
| 28. | Under his stewardship the Mollusca collection of this museum was to become by far the largest such collection in Africa.
|
| 29. | Of the more than 50, 000 species in the phylum Mollusca, few can be said to possess much allure.
|
| 30. | The Mollusca are 89 species and represent 27 % of the nation's total ( excluding the marine molluscs ).
|