Rhynchocinetidae sensu Yaldwyn 1960
Description
Yaldwyn (1960) proposed that the species of Rhynchocinetes, Lipkius, and Eugonatonotus comprised the family Rhynchocinetidae. Bowman & Abele (1982) then established the superfamily Rhynchocinetoidea, comprising three families, Bresiliidae Calman, 1896, Eugonatonotidae, and Rhynchocinetidae. These authors provided no explanation for the estab- lishment of the Rhynchocinetoidea and their proposal has been rejected by most taxonomists in recent decades. Later, Christoffersen (1990) transferred the genus Lipkius to the family Nematocarcinidae (see above). Most recently, Holthuis (1995) and Okuno (1997) suggested that only the species of Rhynchocinetes (and Cinetorhynchus) should be placed in the Rhynchocinetidae, separately from the genus Lipkius. This latter genus was included, amongst others, in the family Nematocarcinidae. In turn, the genus Eugonatonotus was placed in its own family, the Eugonatonotidae. Traits that define the Rhynchocinetidae sensu Holthuis (1995) and Okuno (1997) include, amongst others, a rostrum that is usually incompletely fused with the remainder of the carapace that has two or three teeth on the median carina, no supraorbital spine, and one spine at the posterolateral margin of the fifth abdominal somite (Okuno, 1997).
The various analyses used in this study do not support either Yaldwyn’s (1960) grouping of the genera Rhynchocinetes, Lipkius, and Eugonatonotus in a single clade, or monophyly of his Rhynchocinetidae. Notably, the genera Rhynchocinetes and Cinetorhynchus clustered together, forming a single, well-supported monophyletic clade. Altogether, the above information implies that the Rhynchocinetidae represent a natural clade, as suggested by Okuno (1997). Our results are also in line with those of Li et al. (2011), who found no support for the monophyly of Rhynchocinetidae sensu Yaldwyn (1960) using five different nuclear gene fragments but a smaller number of representatives from this family than in the present study.
THE GENERA RHYNCHOCINETES AND CINETORHYNCHUS ARE NATURAL ENTITIES: THE
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Linked records
Additional details
Identifiers
Related works
- Is part of
- Journal article: 10.1111/zoj.12173 (DOI)
- Journal article: http://zenodo.org/record/5314330 (URL)
- Journal article: http://publication.plazi.org/id/A260FFA6FE294226FFC0FFD426242E62 (URL)
- Is source of
- https://sibils.text-analytics.ch/search/collections/plazi/5E5987DEFE3B4234FF78F98F235E2B68 (URL)
Biodiversity
- Family
- Rhynchocinetidae
- Kingdom
- Animalia
- Order
- Decapoda
- Phylum
- Arthropoda
- Scientific name authorship
- sensu Yaldwyn
- Taxon rank
- family
- Taxonomic concept label
- Rhynchocinetidae Yaldwyn, 1960 sec. Baeza, Bauer, Okuno & Thiel, 2014
References
- Yaldwyn JC. 1960. Biological results of the Chatham Islands 1954 Expedition, Part I - Crustacea Decapoda Natantia from the Chatham rise: a deep water bottom fauna from New Zealand. New Zealand Department of Scientific and Industrial Research Bulletin 139: 13 - 53.
- Bowman TE, Abele LG. 1982. Chapter 1: classification of the Recent Crustacea. In: Abele LG, ed. The biology of Crustacea, vol. 1: systematics, the fossil record, and biogeography. New York: Academic Press, 1 - 27.
- Christoffersen ML. 1990. A new superfamily classification of the Caridea (Crustacea: Pleocyemata) based on phylogenetic pattern. Zeitschrift fuer Zoologische Systematik und Evolutionsforschung 28: 94 - 106.
- Holthuis LB. 1995. Notes on Indo-West Pacific Crustacea Decapoda III to IX. Zoologische Mededelingen, Leiden 69: 139 - 151.
- Li CP, De Grave S, Chan T-Y, Lei HC, Chu KH. 2011. Molecular systematics of caridean shrimps based on five nuclear genes: implications for superfamily classification. Zoologischer Anzeiger 250: 270 - 279.