Trunkelongate, up to 0.7 mm long (Fritillaria aequatorialis, Fritillaria aequatorialis 2). Mouth simple. Three pharyngeal cells. Spiracles oval. Axis of the alimentary tract oblique. One testis flat, ovoid, elongate, laterally surrounded by 2 rosary-shaped ovaries.
Kingdom Animalia Phylum Chordata Subphylum Urochordata Class Appendicularia Family Fritillaridae Subfamily Fritillarinae Genus Fritillaria Subgenus Acrocercus Species Fritillaria aequatorialis