recognized, grouped in the Phymaturus palluma and the Phymaturus patagonicus groups.
The chromosome data about this genus are extremely scarce; however, unpublished
evidence suggests a great karyotypic diversity, mainly in the P. palluma group. In this work,
we describe the karyotypes of six species of the P. palluma group (one of them unnamed)
and report a multiple chromosome sex determination system with heterogametic males …