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NEW YORK STATE MUSEUM
Here again the author furnished an outline sketch [reproduced in text fig. 60] and diagnosed the species by citing its differences from E. newlini. He says:
Figure 59 Original figure of Eurysoma newlini Claypole. (From Claypole) | Figure 60 Original figure of Carcinosoma ingens Claypole. (From Claypole) |
In the specific description the leading points of difference and those on which the definition rests are the greater size of the fossil and the smaller number of cusps or branches on the four anterior pairs of gnathopods.