Distaplia regina Kott 1990

Distaplia regina Kott, 1990 NEW RECORD Figure 3B, C #3850A, a single large flat colony was the only specimen collected, 8 cm across in largest width, growing on an algal blade; tunic in life brownish purple fading to pale pink in formalin, as mentioned by Kott (1990). Zooids in systems more or less circular. The four rows of stigmata lack parastigmatic vessels. Zooid thorax with longitudinal muscles only. Stomach smooth, but under high magnification is very minutely areolated. Largest larva almost 2 mm long, with four tiny rows of stigmata (Fig. 3C), larva appears to have four adhesive papillae similar to one figured (but not commented on) by Monniot F. & Monniot C. (2001). In a slightly younger larva, only the typical three papillae are present, in a triangle. Distribution: Australia, Palau. References with detailed descriptions of the zooids: Kott (1990), Monniot F. & Monniot C. (1996, 2001).
Published as part of Lambert, Gretchen, Lee, Serina Siew-Chen & Teo, Serena Lay-Ming, 2021, Ascidians collected during the 2013 Singapore Strait International Marine Biodiversity Workshop, pp. 1-38 in Zootaxa 4933 (1) on page 8, DOI: 10.11646/zootaxa.4933.1.1, http://zenodo.org/record/4547842
{"references":["Kott, P (1990) The Australian Ascidiacea part 2, Aplousobranchia (1) and Supplement: Phlebobranchia and Stolidobranchia. Memoirs of the Queensland Museum, 29, 1 - 266."]}