Systematics of<i>Trapania</i>(Mollusca: Nudibranchia: Goniodorididae) with descriptions of 16 new species

Gosliner, Terrence M.; Fahey, Shireen J.

doi:10.1017/s1477200007002587

Cited by 18 publications

(29 citation statements)

References 12 publications

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“…Type specimens are deposited in the crustacean collection of the National Museum of Nature and Science, Tsukuba (NSMT) and the Ryukyu University Museum, Fujukan (RUMF), Okinawa. The scientific names of nudibranchs follow those listed by Debelius and Kuiter (2007), Gosliner et al (2008), and Gosliner and Fahey (2008). …”

Section: Methodsmentioning

confidence: 83%

“…n. are the first and second species found from North Pacific Ocean. On the other hand, the host nudibranchs of these 2 new species, Thecacera pennigera and Trapania miltabrancha , are widely distributed: Trapania pennigera is known from the subtropical Atlantic and Pacific region (Debelius and Kuiter 1998), and Thecacera miltabrancha is probably widely distributed in the Indo-West Pacific because this species was originally described from Indonesia (Gosliner and Fahey 2008). We infer that the 2 Splanchnotrophus spp.…”

Section: Discussionmentioning

confidence: 99%

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Four new species of splanchnotrophid copepods (Poecilostomatoida) parasitic on doridacean nudibranchs (Gastropoda, Opistobranchia) from Japan, with proposition of one new genus

Uyeno¹,

Nagasawa²

2012

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Four new species of splanchnotrophid copepods are described based on specimens collected from 5 species of doridacean nudibranchs from coastal waters of Japan. They belong to 3 genera, one of which, Majimun gen. n., is new. The parasites and their hosts are as follows: Ceratosomicola japonica sp. n. ex Hypselodoris festiva (A. Adams); Splanchnotrophus helianthus sp. n. ex Thecacera pennigera (Montagu); Splanchnotrophus imagawai sp. n. ex Trapania miltabrancha Gosliner & Fahey; and Majimun shirakawai gen. et sp. n. ex Roboastra luteolineata (Baba) and Roboastra gracilis (Bergh). Ceratosomicola japonica sp. n. is the fifth species of Ceratosomicola and is characterized by the shape and armature of the prosome in females. Both Splanchnotrophus helianthus sp. n. and Splanchnotrophus imagawai sp. n. are differentiated from 4 known congeners by the absence of posterolateral processes or lobes on the prosome in females, and the females of these 2 new species are separated from each other by the shape and armature of the genito-abdomen, the mandible, and the swimming legs. Majimun gen. n. is distinguished from other splanchnotrophid genera by the segmentation of the antennule as well as the combination of the following characters in females: 2 postgenital somites and the shape of the antenna, the mandible and the swimming legs.

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Section: Methodsmentioning

confidence: 83%

Section: Discussionmentioning

confidence: 99%

Four new species of splanchnotrophid copepods (Poecilostomatoida) parasitic on doridacean nudibranchs (Gastropoda, Opistobranchia) from Japan, with proposition of one new genus

Uyeno¹,

Nagasawa²

2012

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“…Indo-west, central Pacific. Hawaii, Papua New Guinea, Australia, Indonesia, Réunion Island (Gosliner & Fahey 2008) and Mozambique.…”

Section: Gymnodoris Citrina (Bergh 1877) (Figure 25 K-l)mentioning

confidence: 99%

“…Indo-west Pacific. Japan, Australia (Gosliner & Fahey 2008), Mauritius (Millar 2007), Rodrigues (Eby 2004), Kenya (Besnard 2005) and Mozambique. Material examined.…”

Section: Gymnodoris Citrina (Bergh 1877) (Figure 25 K-l)mentioning

confidence: 99%

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Astonishing diversity revealed: an annotated and illustrated inventory of Nudipleura (Gastropoda: Heterobranchia) from Mozambique

Tibiriçá¹,

Pola

Cervera

2017

Zootaxa

673

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Hancock, 1845 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Miller, 2001 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 Genus Baeolidia Bergh, 1888 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AbstractThis paper provides the first comprehensive annotated and illustrated inventory of Nudipleura from Mozambique. A total of 267 species are recorded, including 61 putative new species, documented over a period of seven years from several localities along the coast. At least 20 species need further investigation through molecular and taxomic analysis. Of the 186 confirmed described species, 118 are new records for the Mozambican fauna. Sampling was carried in tidal reefs and depths up to 60m on the subtropical and tropical coast of Mozambique. The most representative families were Chromodorididae (69 species), Discodorididae (30 species), Facelinidae (23 species) and Phyllididae (16 species). Nevertheless, a vast area of Mozambique remains unexplored, thus it is likely that the species documented here represent only a fraction of the true Nudipleura diversity of the country.

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Functional morphology of the sperm‐containing chambers of the sea slug Okenia polycerelloides in the context of sexual selection

Sales

Marian

2020

Journal of Morphology

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Sea slugs are interesting models to study post-copulatory sexual selection in simultaneous hermaphrodites due to the enormous variation of their reproductive systems. However, the knowledge of the functional morphology of their reproductive system is limited to few species, and it is rarely discussed in the context of sexual selection theory. In this study, we investigated the functional morphology of the spermcontaining chambers (i.e., ampulla, seminal receptacle, and bursa copulatrix) of the reproductive system of Okenia polycerelloides (Ortea & Bouchet, 1983), based on light, confocal, and electron microscopy. Although the morphology of the ampulla is similar to other species, indicating that it is a site for autosperm storage, we found some sperm facing the ampullar epithelium, a feature commonly regarded as characteristic of the seminal receptacle of sea slugs. The seminal receptacle of O. polycerelloides showed secretory activity and contained sperm with distribution and orientation suggestive of stratification of allosperm from distinct mating events, a feature that would affect sperm competition. The bursa copulatrix had epithelial cells with secretory and absorptive characteristics, and contained degraded sperm and yolk granules within its lumen. Comparative analyses of the contents of each organ demonstrated that sperm digestion occurs in the bursa copulatrix and affects sperm heads first, changing their morphology from slender and curved to shorter and ellipsoid before complete lysis. Although digestion and absorption of surplus sperm are currently the main hypothesized functions for the bursa copulatrix, its role in cryptic female choice should not be ruled out. The close structural connection between the seminal receptacle and bursa copulatrix, as well as their muscular walls, would enable control over the fate of the sperm received in each mating event, that is, storage or digestion.

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Systematics ofTrapania(Mollusca: Nudibranchia: Goniodorididae) with descriptions of 16 new species

Cited by 18 publications

References 12 publications

Four new species of splanchnotrophid copepods (Poecilostomatoida) parasitic on doridacean nudibranchs (Gastropoda, Opistobranchia) from Japan, with proposition of one new genus

Four new species of splanchnotrophid copepods (Poecilostomatoida) parasitic on doridacean nudibranchs (Gastropoda, Opistobranchia) from Japan, with proposition of one new genus

Astonishing diversity revealed: an annotated and illustrated inventory of Nudipleura (Gastropoda: Heterobranchia) from Mozambique

Functional morphology of the sperm‐containing chambers of the sea slug Okenia polycerelloides in the context of sexual selection

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