plasmodium billcollinsi plasmodium billcollinsi plasmodium billcollinsi is a species of the genus plasmodium subgenus laverania. plasmodium billcollinsi scientific classification domain: eukaryota clade: diaphoretickes clade: tsar clade: sar clade: alveolata phylum: apicomplexa class: aconoidasida order: haemospororida family: plasmodiidae genus: plasmodium species: p. billcollinsi binomial name plasmodium billcollinsikrief et al., 2010 it is a parasitic protozoan found in chimpanzees in central africa. the parasite is named in honour of the malariologist william e. collins. taxonomy both p. billcollinsi and p. billbrayi were suggested based on mtdna and nuclear gene sequences, in addition to having been obtained from chimpanzee samples. plasmodium billcollinsi is located at the root between p. falciparum and p. reichenowi. distribution analysis made on 1,261 samples revealed that at least six plasmodium species circulate in great apes in gabon, with p. billcollinsi being found faecal samples from 791 chimpanzees. hosts along with p. reichenowi, p. billbrayi and p. gaboni, p. billcollinsi infects with malaria to only chimpanzees. the parasite has been found in at least three subspecies: p. t. verus, p. t. troglodytes, and p. t. schweinfurthii.