Published April 6, 2018 | Version v1
Taxonomic treatment Open

Ophiodermatidae Ljungman 1867

Description

Family OPHIODERMATIDAE Ljungman, 1867

Type taxon. Ophioderma Müller & Troschel, 1840.

Diagnosis. Disc covered dorsally with small plates typically concealed completely by a dense coating of granules in adult specimens. Radial shields evident or not. The granules may cover jaws, oral, and adoral shields. The numerous lateral oral papillae form a continuous series with the apical papillae. Arms inserted laterally into the disc. Arm spines short, usually numerous, and appressed to the side of the arm (Tommasi 1970; Paterson 1985; Albuquerque 1986; Borges & Amaral 2005).

Comments. Ophiodermatidae was initially supported for several species with granules and by the presence of numerous lateral oral papillae forming a continuous series with the apical papillae (Ljungman 1867; Borges & Amaral 2005). These characteristics are easily confused with Ophiocomidae. Recently, a new defining character was proposed to differentiate the family: dental plate predominantly fragmented into several plates with elongated sockets (Martynov 2010). Ophiodermatidae has also been supported in several recent studies utilizing next-gen sequence-capture methodology (O’Hara et al. 2014; Hugall et al. 2016; O’Hara et al. 2017). The family is widely distributed bathymetrically and geographically, found down to 2,700 m (Tommasi 1970; Alvarado & Solís-Marín 2013). They are members of the epifauna, living on soft bottom, rocky shores, reefs, and in rocky crevices (Borges & Amaral 2005). This family is comprised of 60 species distributed across 11 genera (O’Hara et al. 2017). Seven species of two genera are recorded in Brazil (Barboza & Borges 2012).

Notes

Published as part of Alitto, Renata A. S., Bueno, Maristela L., Guilherme, Pablo D. B., Domenico, Maikon Di, Christensen, Ana Beardsley & Borges, Michela, 2018, Shallow-water brittle stars (Echinodermata: Ophiuroidea) from Araçá Bay (Southeastern Brazil), with spatial distribution considerations, pp. 1-66 in Zootaxa 4405 (1) on page 11, DOI: 10.11646/zootaxa.4405.1.1, http://zenodo.org/record/3097993

Files

Files (2.1 kB)

Name Size Download all
md5:1a30bcdc40611ff2a43c3274e6bc36e0
2.1 kB Download

System files (16.9 kB)

Name Size Download all
md5:4212157441f4261085268ff9eb6cf889
16.9 kB Download

Linked records

Additional details

References

  • Ljungman, A. V. (1867) Ophiuroidea viventia huc usque cognita, enumerat. Ofversigt af Konglige Vetenskaps-Akademiens Forhandlingar, 23, 303 - 336.
  • Tommasi, L. R. (1970) Os ofiuroides recentes do Brasil e de regioes vizinhas. Contribuicoes Avulsas do Instituto Oceanografico, Universidade de Sao Paulo, 20, 1 - 146.
  • Paterson, G. L. J. (1985) The deep-sea Ophiuroidea of the north Atlantic Ocean. Bulletin of the British Museum (Natural History) Zoology, 49, 1 - 162.
  • Albuquerque, M. N. (1986) Ophiuroidea Gray, 1840 (Echinodermata) da plataforma continental do norte e nordeste brasileiro. Phd thesis, Universidade de Sao Paulo, Sao Paulo, 409 pp.
  • Borges, M. & Amaral, A. C. Z. (2005) Classe Ophiuroidea. In: Amaral, A. C. Z., Rizzo, A. E. & Arruda, E. P. (Eds.), Manual de identificacao dos invertebrados marinhos da regiao sudeste-sul do Brasil. EdUSP, Sao Paulo, pp. 237 - 272.
  • Martynov, A. (2010) Reassessment of the classification of the Ophiuroidea (Echinodermata), based on morphological characters. I. General character evaluation and delineation of the families Ophiomyxidae and Ophiacanthidae. Zootaxa, 2697, 1 - 154.
  • O'Hara, T., Hugall, A. F., Thuy, B. & Moussalli, A. (2014) Phylogenomic resolution of the class Ophiuroidea unlocks a global microfossil record. Current Biology, 24, 1874 - 1879. https: // doi. org / 10.1016 / j. cub. 2014.06.060
  • Hugall, A. F., O'Hara, T., Hunjan, S., Nilsen, R. & Moussalli, A. (2016) An Exon-Capture System for the Entire Class Ophiuroidea. Molecular Biology and Evolution, 33, 281 - 294. https: // doi. org / 10.1093 / molbev / msv 216
  • O'Hara, T. D., Hugall, A. F., Thuy, B., Stohr, S. & Martynov, A. V. (2017) Restructuring higher taxonomy using broad-scale phylogenomics: The living Ophiuroidea. Molecular Phylogenetics and Evolution, 107, 415 - 430.
  • Alvarado, J. J. & Solis-Marin, F. A. (2013) Echinoderm research and diversity in Latin America. Springer, Berlin / Heidelberg, 665 pp. https: // doi. org / 10.1007 / 978 - 3 - 642 - 20051 - 9
  • Barboza, C. A. M. & Borges, M. (2012) A checklist of the extant species of ophiuroids (Echinodermata: Ophiuroidea) from Brazilian waters. Zootaxa, 3447, 1 - 21.