Achnanthes aperta J.R.Carter Achnanthes aperta J.R.Carter in Nova Hedwigia 33(3/4): 529, pl. 2, fig. 8; pl. 24, fig. 5. 19811is basionym for Skabitschewskia aperta (J.R.Carter) Kulikovskiy & Lange-Bert. in Lake Baikal: Hotspot of endemic diatoms II. Iconographia Diatomologica, 26: 84. 20151. check plates