The bifurcating radial ribs, spreading from a central dome, serve to distinguish this genus from Palaeophragmodictya, and may represent the channels of the gastrovascular system (Fedonkin & Cope 1985).
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: The bifurcating radial ribs, spreading from a central dome, serve to distinguish this genus from Palaeophragmodictya, and may represent the channels of the gastrovascular system (Fedonkin & Cope 1985). ### Response: .