Pycnogryphaea, Taxa Only, Exact Match: 2 Treatments

Pycnogryphaea			Kosenko, Igor N., 2018, The origin of the Pycnodonteinae and relationship between gryphaeas and true pycnodontes, Acta Palaeontologica Polonica 63 (4), pp. 769-778 : 772	772
Pycnogryphaea weberae			Kosenko, Igor N., 2018, The origin of the Pycnodonteinae and relationship between gryphaeas and true pycnodontes, Acta Palaeontologica Polonica 63 (4), pp. 769-778 : 772-774	772-774