Sous-ordre des Hydroscaphidae

Genre Hydroscapha

Hydroscapha Takahashii

Hydroscapha Perijaensis

Hydroscapha Granulum

Hydroscapha Gyrinoides

Genre Confossa

Confossa Minima

Confossa-Falcata

Genre Yara

Yara Maculata

Non-classé Scaphydra

Scaphydra sp.1 DRM-2014

Scaphydra sp.2 DRM-2014

Non-classé Hydroscaphidae

Hydroscaphidae sp. BMNH703455

Hydroscaphidae sp. USNM ENT 01117129