Articles | Volume 15, issue 2
https://doi.org/10.1144/jm.15.2.161
© Author(s) 1996. This work is distributed under
the Creative Commons Attribution 4.0 License.The evolutionary significance of scale-like spines on the Australian and SW Pacific Cainozoic ostracods Ponticocythereis manis Whatley & Titterton, 1981 and Trachyleberis floridus sp. nov
Abstract. Ponticocythereis species are a discrete phylogenetic group within the Trachyleberididae that evolved in the SW Pacific and Australasian regions during the Tertiary. The presence of similar scale-like spines on the unrelated species Ponticocythereis manis Whatley & Titterton, 1981 and Trachyleberis floridus sp. nov. is presented as an example of convergent evolution.