Tanacetipathes hirta ( Gray, 1857 )

Wagner, Daniel & Shuler, Andrew, 2017, The black coral fauna (Cnidaria: Antipatharia) of Bermuda with new records, Zootaxa 4344 (2), pp. 367-379 : 376

publication ID	https://doi.org/10.11646/zootaxa.4344.2.11
publication LSID	lsid:zoobank.org:pub:B1B682B2-C9F1-4CF9-B57F-CA45B1F87B46
DOI	https://doi.org/10.5281/zenodo.6035248
persistent identifier	https://treatment.plazi.org/id/03EEED38-6A32-FFB9-6ECB-99D5B53941EB
treatment provided by	Plazi (2017-11-07 07:47:00, last updated 2024-11-26 22:53:59)
scientific name	Tanacetipathes hirta ( Gray, 1857 )
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Tanacetipathes hirta ( Gray, 1857) View in CoL

Tanacetipathes hirta View in CoL colonies are typically less than 50 cm in height and sparsely branched, with most branching tending to be in a single plane like a fan ( Figure 6a–c View FIGURE 6 ). Colonies branch to the 3rd–4th order, with branches usually arising at close to right angles from the branching point. The stem and branches have 4–6 rows of primary pinnules, which are arranged biserially and in alternating groups of 2–3 along the length of the axis. The posterior primary pinnules are usually 2–3 cm long and considerably longer than the anterior primary pinnules. The secondary pinnules are usually confined to the abpolypar side of the basal section of primary pinnules. Few tertiary pinnules are present, which are restricted to the posterior side of the secondaries nearest the base of each primary pinnule. The skeletal spines are subcylindrical, inclined distally, and covered with faint papillae towards their distal half ( Figure 6e–f View FIGURE 6 ). Polypar spines are typically 60–130 µm tall, whereas abpolypar spines are 50–100 µm in height ( Figure 6e View FIGURE 6 ). The polyps range between 0.7–1.0 mm in transverse diameter, and are spaced 0.9–1.1 mm apart ( Figure 6d View FIGURE 6 ). In situ colonies are grayish to light brown in coloration ( Figure 6a–b View FIGURE 6 ). T. hirta View in CoL has previously been reported from Brazil to Bermuda at depths ranging between 20–347 m ( Opresko et al., 2016; Locke et al., 2013; Opresko, 2009; Opresko & Sanchez, 2005; Loiola & Castro, 2005; Padilla & Lara, 2003; Echeverria, 2002; Opresko, 1972; Warner, 1981). The Bermudan specimens examined as part of this study were collected at a depths ranging between 122–152 m ( Table 1).

References

Echeverria, C. A. (2002) Black corals (Cnidaria: Anthozoa: Antipatharia): first records and a new species from the Brazilian coast. Revista de Biologia Tropical, 50, 1067 - 1077.

Gray, J. E. (1857) Synopsis of the families and genera of axiferous zoophytes or barked corals. Proceedings of the Zoological Society of London, 25, 278 - 294.

Locke, J. M., Coates, K. A. & Bilewich, J. P. (2013) Scleractinia, Octocorallia and Antipatharia of Bermuda's reefs and deepwater coral communities: a taxonomic perspective including new records. In: Sheppard, C. R. C. (Ed.), Coral Reefs of the United Kingdom Overseas Territories, Coral Reefs of the World. Vol. 4. Springer, Dordrecht, pp. 189 - 200. https: // doi. org / 10.1007 / 978 - 94 - 007 - 5965 - 7 _ 14

Loiola, L. L. & Castro, C. B. (2005) Tanacetipathes Opresko, 2001 (Cnidaria: Antipatharia: Myriopathidae) from Brazil, including two new species. Zootaxa, 1081, 1 - 31. https: // doi. org / 10.11646 / zootaxa. 1081.1.1

Opresko, D. M. (1972) Redescriptions and reevaluations of the antipatharians described by L. F. de Pourtales. Bulletin of Marine Science, 22, 950 - 1017.

Opresko, D. M. & Sanchez, J. A. (2005) Caribbean shallow-water black corals (Cnidaria: Anthozoa: Antipatharia). Caribbean Journal of Science, 41, 492 - 507.

Opresko, D. M. (2009) Antipatharia (Cnidaria) of the Gulf of Mexico. In: Tunnell, J. W. Jr., Felder, D. L. & Earle, S. A. (Eds.), Gulf of Mexico origin, waters, and biota. Vol. 1. Biodiversity. Texas A & M University Press, Corpus Christi, 359 - 363.

Opresko, D. M., Nuttall, M. F. & Hickerson, E. L. (2016) Black corals of the Flower Garden Banks National Marine Sanctuary. Gulf of Mexico Science Science, 2016, 47 - 67.

Padilla, C. & Lara, M. (2003) Banco Chinchorro: the last shelter for black coral in the Mexican Caribbean. Bulletin of Marine Science, 73, 197 - 202.

Warner, G. F. (1981) Species descriptions and ecological observations of black corals (Antipatharia) from Trinidad. Bulletin of Marine Science, 31, 147 - 163.

Figures

FIGURE 6. Tanacetipathes hirta from Bermuda showing (a-b) colonies in situ, (c) preserved specimen (scale bar = 5 cm), (d) polyps on a primary pinnule under light microscopy (scale bar = 2 mm), (e) skeletal spines on a primary pinnule under SEM (scale bar = 100 µm), and (f) close-up of polypar spine under SEM (scale bar = 50 µm).