Abstract

A large collection of heliolitid corals from the Silurian Limestone Point and La Vieille formations of northern New Brunswick is described. They include at least seven species. Two species of Propora, two species of Plasmopora and three species of Heliolites are recognized, of which several are new to North America and one new species of Heliolites is erected. Analysis of variance statistics, based on a series of sections cut through selected colonies, indicate that any random section except that cutting the most juvenile stage of growth will provide a good estimate of the colony mean and variance for each parameter.--Modified journal abstract.

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