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Antero-lateral Angle

The antero-lateral angle refers to the shape of the front corners of the carapace, where the anterior edge of the carapace meets the lateral edge of the carapace. The shape of this angle can range in different species from moderately square to quite an acute triangular point.

Illustration of the antero-lateral angles of the carapace from the dorsal view. Figure modified from Crane (1975). image
Illustration of the antero-lateral angles of the carapace from the dorsal view. Figure modified from Crane (1975).