Trigoides aclis is an extinct species of comb jelly. The genus Trigoides is known from fossils from the Chengjiang Lagerstätte.Chen, Luo, Hu, Yin, Jiang, Wu, Li & Chen (2002). Early Cambrian Chengjiang fauna in eastern Yunnan, China. Kunming, China: Yunnan Science & Technology Press. (In Chinese) It is proposed to be a type of ctenophore.Conway-Morris (2006), Phil Trans R Soc B, 361:1069-83Hu, Steiner, Zhu, Erdtmann, Luo, Chen, Weber (2007). "Diverse pelagic predators from the Chengjiang Lagerstätte and the establishment of modern-style pelagic ecosystems in the early Cambrian." Palaeogeography, Palaeoclimatology, Palaeoecology, 254(1-2): 307-316 A phylogenetic study of Cambrian stem-group ctenophores recovered Trigoides in Scleroctenophora, along with Galeactena, Maotianoascus, Thaumactena, Batofasciculus and Gemmactena.
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