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Kelly, M.; Vacelet, J.; Hestetun, J.; Mills, S. (2023). New species of Abyssocladia and two new cladorhizid genera (Porifera, Cladorhizidae) from New Zealand and Australia. Zootaxa. 5270(1): 1-47.
449422
10.11646/zootaxa.5270.1.1 [view]
Kelly, M.; Vacelet, J.; Hestetun, J.; Mills, S.
2023
New species of <i>Abyssocladia</i> and two new cladorhizid genera (Porifera, Cladorhizidae) from New Zealand and Australia
Zootaxa
5270(1): 1-47
Publication
Available for editors  PDF available [request]
Seamounts on subantarctic New Zealand’s Macquarie Ridge, including parts of Australia’s Exclusive Economic Zone surrounding Macquarie Island, have been demonstrated to be a rich source of new species of carnivorous sponges (Demospongiae Sollas, Poecilosclerida Topsent, Cladorhizidae Dendy). Four new species of Abyssocladia Lévi, 1964, are described from Macquarie Ridge seamounts and at other disparate locations: Abyssocladia lanceola sp. nov. from Seamounts 7, 8, and 9 (Australia EEZ), Seamount 10 (International Waters), and the South Tasman Rise; Abyssocladia rowdeni sp. nov., first collected from diffuse hydrothermal vent sites at Brothers Seamount on the Southern Kermadec Ridge and recorded here from the non-venting seamounts on Chatham Rise to the east of the South Island of New Zealand; Abyssocladia tumulorum sp. nov., found exclusively on the Chatham Rise; and Abyssocladia sonnae sp. nov. from Monowai Seamount on the Tonga-Kermadec Ridge in International Waters, also found, surprisingly, on Macquarie Ridge’s Seamount 8 (Australia EEZ). Patriciacladia gen. nov. has been established for a new species of Cladorhizidae discovered on Macquarie Ridge and Chatham Rise. Patriciacladia enigmatica gen. et sp. nov. is highly unusual in that it possesses palmate isochelae not typically found in Cladorhizidae and has a long branch in phylogenetic analysis of the family, supporting the establishment of a new genus and species for Abyssocladia n. sp. B (QM G339872, was NIWA 41033): 28S rDNA: LN870583, COI: LN870445, Macquarie Ridge) in Hestetun et al. (2016a: table 1; 2017: fig. 15). The discovery of two new species, again from the Macquarie Ridge and other New Zealand locations, expands support for the establishment of a new genus, Australocladia gen. nov., which contains several additional species nested as a monophyletic clade within the large, heterogenous, and paraphyletic Abyssocladia clade in molecular phylogenetic analyses. Australocladia sphaerichela gen. et sp. nov. and Au. alopecura gen. et sp. nov. both possess spherical abyssochelae, funnel-shaped expansions which may contain spermatophores on the body, substrongyles in the attachment base, and a generally southern hemisphere distribution.
Australia
New Zealand
Systematics, Taxonomy
RIS (EndNote, Reference Manager, ProCite, RefWorks)
BibTex (BibDesk, LaTeX)
Date
action
by
2023-04-19 13:06:02Z
created
2023-04-20 13:55:11Z
changed
2023-04-21 06:35:35Z
changed

Holotype NIWA 21378, geounit Kermadec Islands, identified as Abyssocladia rowdeni Kelly & Vacelet, 2023
Nontype NIWA 25183, identified as Abyssocladia rowdeni Kelly & Vacelet, 2023
Paratype NIWA 52889, geounit Kermadec Islands, identified as Abyssocladia rowdeni Kelly & Vacelet, 2023
Paratype NIWA 64588, geounit Kermadec Islands, identified as Abyssocladia rowdeni Kelly & Vacelet, 2023
Holotype QM G339868, geounit Macquarie Island, identified as Patriciacladia enigmatica Kelly & Vacelet, 2023
Paratype NIWA 155796, identified as Abyssocladia tumulorum Kelly & Vacelet, 2023
Paratype NIWA 159204, identified as Abyssocladia tumulorum Kelly & Vacelet, 2023
Nontype NIWA 21340, geounit Northeastern New Zealand, identified as Australocladia alopecura Kelly & Vacelet, 2023
Paratype NIWA 24649, geounit Bounty and Antipodes Islands, identified as Australocladia alopecura Kelly & Vacelet, 2023
Paratype NIWA 39701, geounit Auckland Islands, identified as Patriciacladia enigmatica Kelly & Vacelet, 2023
Nontype NIWA 52553, geounit Chatham Island, New Zealand, identified as Patriciacladia enigmatica Kelly & Vacelet, 2023
Nontype NIWA 52681, geounit Snares Island, identified as Australocladia alopecura Kelly & Vacelet, 2023
Nontype NIWA 93887, identified as Australocladia sphaerichela Kelly & Vacelet, 2023
Paratype QM G339784, geounit Macquarie Island, identified as Australocladia alopecura Kelly & Vacelet, 2023
Holotype QM G339848, geounit Macquarie Island, identified as Abyssocladia lanceola Kelly & Vacelet, 2023
Paratype QM G339849, identified as Abyssocladia lanceola Kelly & Vacelet, 2023
Nontype QM G339859, identified as Australocladia sphaerichela Kelly & Vacelet, 2023
Paratype QM G339866, identified as Australocladia sphaerichela Kelly & Vacelet, 2023