Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
fissĭcŭlo, no perf., ātum, 1, v. a. [fissum, from findo], in the lang. of the haruspices, to divide the entrails (post-class.): extis fissiculandis, App. de Deo Socr. p. 45; Mart. Cap. 2, § 151; and: fissiculatis extorum prosiciis, id. 1, § 9.