[3] Although the reason was not stated, it is assumed the change to an -ae ending was to align with standard procedure when a species is named after a female.
[1][3] The colour of the carapace is red brown and the abdomen creamy white with a median band that expands into four faint chevrons.
[3] Forster stated that it most closely related to Plectophanes archeyi but can be distinguished by the form of the female epigynum and the arrangement of trichobothria on the legs.
[1][3] This specimen, (the holotype) was collected by Beverley Holloway and Richard Dell during the 1955 Dominion Museum expedition.
[1][2] Plectophanes hollowayae has been assessed under the New Zealand Threat Classification System and categorised as Data Deficient (DD).