Pseudoceros scriptus Newman and Cannon, 1998
Type material location
The holotype is a set of serial histological sections deposited at the Queensland Museum in Brisbane, Australia.
The diagnostic character for this species is the cream background with irregular black patches and an orange marginal band.
External anatomy: Cream yellowish background fading to white towards the margin with irregular black maculae on either side of the median line and an orange marginal band. The ventral side is cream becoming darker towards the margin and a wide orange marginal band. The pseudotentacles are formed by simple folds of the anterior margin. Cerebral cluster with about 40 eyespots. Pharynx is formed by elaborated folds.
Internal anatomy: The male system is formed by unbranched vas deferens, an oblong seminal vesicle, an oval prostatic vesicle, and a short cuticular stylet housed in a deep, folded, and voluminous antrum. The female antrum is shallow with a narrow and short vagina surrounded by the cement glands.
Ecology and Distribution
This species has been reported for Madang, Papua New Guinea. There is another report for Philippines.
Evolution and Systematics
This species was included into the group 6, characterized by a maculae pattern, according to the categorization based on the color and color pattern made by Newman & Cannon (1994), and modified for the same authors (Newman & Cannon, 1998). Within this group, P. scriptus is the only species which has a cream background.
Newman, L.J. & Cannon, L.R.G (1998) Pseudoceros (Platyhelminthes: Polycladida) from the Indo-Pacific with Twelve New Species from Australia and Papua New Guinea. The Raffles Bulletin of Zoology, 46(2): 293-323.