Sentence:  "Asca bicornis" (27.8%) was no longer a <WSD>superdominant</WSD>, and three species of the family Laelapidae ("Hypoaspis claviger, H. nolli" and "Hypoaspis aculeifer") jointly constituted 31.3% of total 
Meaning of the word marked with <WSD> tags:  A species that is present in disproportionately large numbers within an ecosystem.