From Ramazzotti & Maucci 1983 (tr. Beasley 1995): The median
From Thulin 1928: “Echiniscidae with armor containing five median plates.
From Kristensen 1987: “Echiniscidae with black eyes, flexible buccal canal,
From Ramazzotti & Maucci: “After the second paired plate, or
Antechiniscus, from Kristensen 1987: Echiniscidae with black eyes, unflexible buccal
From Kristensen 1987: “Echiniscidae with flexible buccal tube, pharyngeal bulb