Li, Y.; Zhan, Z.; Xu, K. (2021). Paragorgia papillata sp. nov., a new bubblegum coral (Octocorallia: Paragorgiidae) from a seamount in the tropical Western Pacific. Journal of Oceanology and Limnology. 39(5): 1758-1766.

414216

Li, Y.; Zhan, Z.; Xu, K.

2021

39(5): 1758-1766

Publication

https://link.springer.com/content/pdf/10.1007/s00343-021-0404-7.pdf

A new species of bubblegum coral, Paragorgia papillata sp. nov., discovered from a seamount located on the Caroline Ridge at the water depth of 858 m, is studied using morphological and molecular approaches. The new gorgonian is white-colored, uniplanar with prominent autozooids, and measures about 670-mm high and 690-mm wide. The genetic distance and phylogenetic analysis showed that P . papillata sp. nov. was closely related to P . coralloides Bayer, 1993, but the former differs morphologically from the latter by its prominent calyces (diameter 2.0–4.0 mm and height 1.5–3.0 mm vs. both diameter and height about 1 mm), white cortex (vs. pink), regular 8-radiates in surface cortex (vs. mostly 8-radiate derived globular radiates) and highly ornate medullar spindles (length 185–400 µm vs. no more than 150 µm). P . papillata sp. nov. is the third known white-colored species of the genus, and the fifth species found in the tropical Western Pacific.

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