Image of Toscanisoma multipartitum （Image source：Jobst Wendt (2020).， CC BY 4.0 ） Age Triassic（Carnian） 237 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Ascidiacea Order: Cassianomorpha Family: Cassianosomidae Genus: Toscanisoma Species: Toscanisoma multipartitum Morphological description Toscanisoma multipartitum is a colonial, sessile ascidian composed of seven or more separate tubular individuals that together form a compound solid skeleton. The outer surface