Halecium tenellum Hincks 1861

• Main Author: Calder, Dale R.
• Format: Text
• Language: unknown
• Published: Zenodo 2013
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Hydrozoa; Leptothecata; Haleciidae; Halecium; Halecium tenellum; New Zealand; Argentina; Hudson; Hudson Strait; Cornwall; Stanton; North Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.5263359; https://zenodo.org/record/5263359

Halecium tenellum Hincks, 1861b Fig. 6d Halecium tenellum Hincks, 1861b: 252, pl. 6, figs. 1–4.— Jones, 2002: 216. Type locality. UK: Devon, Salcombe Bay (Hincks 1961b). Voucher material. Jeff’s Reef off Fort Pierce, 27°32.8’N, 79°58.8’W, 80 m, 15.iv.1977, Johnson-Sea-Link , JSL 2184- A, diver lockout, one colony, 1.3 cm high, without gonophores, coll. F. Stanton, ROMIZ B1105. Remarks . The morphology of the hydroid examined here approaches accounts of Halecium delicatulum Coughtrey, 1876 (type locality: Upper Harbour, Dunedin, New Zealand) and H. mediterraneum Weismann, 1883 (type locality: Naples, Italy) in having typically long primary hydrophores. However, no pseudodiaphragm such as that often reported in both of those species (e.g., Schuchert 2005) was present in hydrophores of the colony from Florida. It was also small (1.3 cm high) and its hydrocaulus monosiphonic except at the base, as is typical of Halecium tenellum Hincks, 1861b. In the western North Atlantic, Fraser (1944) included distribution records of Halecium tenellum from Hudson Strait to the Caribbean Sea. At least some reports of the species from high latitudes have been based on misidentifications (Hamond 1957; Cornelius 1975; Calder 1991a; Schuchert 2005). The species is more likely restricted to temperate and tropical waters. An extensive list of literature pertaining to H. tenellum was given by Medel & Vervoort (2000). Reported distribution. Atlantic coast of Florida. Biscayne Bay (Jones 2002). Western Atlantic. Possibly from southern New England (Fraser 1944) to Argentina (Oliveira et al . submitted), including Bermuda (Calder 1991a), the Gulf of Mexico (Calder & Cairns 2009), and the Caribbean Sea (Galea 2010). Elsewhere. Considered a cosmopolitan species by Medel & Vervoort (2000), but see Remarks above. : Published as part of Calder, Dale R., 2013, Some shallow-water hydroids (Cnidaria: Hydrozoa) from the central east coast of Florida, USA, pp. 1-72 in Zootaxa 3648 (1) on page 22, DOI: 10.11646/zootaxa.3648.1.1, http://zenodo.org/record/5264362 : {"references": ["Hincks, T. (1861 b) A catalogue of the zoophytes of South Devon and South Cornwall. Annals and Magazine of Natural History, series 3, 8, 251 - 262.", "Jones, T. (2002) Biology and ecology of athecate hydroids in Biscayne Bay, Florida: potential use as bioindicators. Ph. D. Dissertation, University of Miami, Coral Gables, 287 pp.", "Coughtrey, M. (1876) Critical notes on the New Zealand Hydroida, suborder Thecaphora. Annals and Magazine of Natural History, series 4, 17, 22 - 32. http: // dx. doi. org / 10.1080 / 00222937608681891", "Weismann, A. (1883) Die Entstehung der Sexualzellen bei den Hydromedusen. Zugleich ein Beitrag zur Kenntniss des Baues und der Lebenserscheinungen dieser Gruppe. Gustav Fischer, Jena, 295 pp.", "Schuchert, P. (2005) Taxonomic revision and systematic notes on some Halecium species (Cnidaria, Hydrozoa). Journal of Natural History, 39, 607 - 639. http: // dx. doi. org / 10.1080 / 00222930400001319", "Fraser, C. M. (1944) Hydroids of the Atlantic coast of North America. University of Toronto Press, Toronto, 451 pp.", "Hamond, R. (1957) Notes on the Hydrozoa of the Norfolk coast. Journal of the Linnean Society of London, Zoology, 43, 294 - 324. http: // dx. doi. org / 10.1111 / j. 1096 - 3642.1957. tb 01555. x", "Cornelius, P. F. S. (1975) A revision of the species of Lafoeidae and Haleciidae (Coelenterata: Hydroida) recorded from Britain and nearby seas. Bulletin of the British Museum (Natural History), Zoology, 28, 375 - 426.", "Calder, D. R. (1991 a) Shallow-water hydroids of Bermuda. The Thecatae, exclusive of Plumularioidea. Royal Ontario Museum, Life Sciences Contributions, 154, 1 - 140.", "Medel, M. D. & Vervoort, W. (2000) Atlantic Haleciidae and Campanulariidae (Hydrozoa, Cnidaria) collected during the CANCAP and Mauritania-II expeditions of the National Museum of Natural History, Leiden, The Netherlands. Zoologische Verhandelingen, 330, 1 - 68.", "Calder, D. R. & Cairns, S. D. (2009) Hydroids (Cnidaria: Hydrozoa) of the Gulf of Mexico. In: Felder, D. L. & Camp, D. K. (Eds.), Gulf of Mexico. Origin, waters, and biota. Vol. 1. Biodiversity. Texas A & M University Press, College Station, pp. 381 - 394.", "Galea, H. R. (2010) Additional shallow-water thecate hydroids (Cnidaria: Hydrozoa) from Guadeloupe and Les Saintes, French Lesser Antilles. Zootaxa, 2570, 1 - 40."]}