Occurrence of Bivalve Gastropods along the Coast-line of New South Wales

Burn, R. P.

doi:10.1038/188680a0

Cited by 2 publications

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“…It was only when the living bivalved sacoglossans were discovered that they were reassigned to the opisthobranch gastropods: described Julia japonica, a small but frequent species. Extant populations of Juliidae and aspects of their intriguing biology were described by Kawaguti (1959Kawaguti ( , 1982, , Kawaguti and Yamasu (1959, 1960a, 1960b, 1960c, 1961a, 1961b, 1966a, 1966b, 1967, Baba (1961aBaba ( , 1961b, Kitao (1978), and Yamasu (1997). The records of Tamanovalva limax (called Berthelinia limax by many but not all malacologists) and subsequently Julia spp.…”

Section: Bivalved Speciesmentioning

confidence: 97%

“…For example, Cox and Rees (1960) published a Nature commentary of the paper of , highlighting the discovery of the live specimens and the recognition that these bivalved species are actually gastropods. Soon reports of bivalved sacoglossans were made from Hawaii (Kay 1962a(Kay , 1962b(Kay , 1968, California (Keen 1960, Keen and Smith 1961, Smith 1961, Jamaica (Edmunds 1962(Edmunds , 1963, Australia (Burn 1960a(Burn , 1960b(Burn , 1960c, and India (Rao 1965, Ganapati and Sarma 1972, Sarma 1975.…”

Section: Bivalved Speciesmentioning

confidence: 98%

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Inventory of Japanese Sacoglossan Opisthobranchs: Historical Review, Current Records, and Unresolved Issues

Trowbridge¹,

Hirano

2011

American Malacological Bulletin

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In the past ~155 years, professional and amateur malacologists have recorded ca. 90 described species of sacoglossan opisthobranchs in ~25 genera on Japanese shores. In addition, there are at least 20 to 40 undescribed or unrecognized sacoglossans also recorded. The extraordinary species richness has been a source of admiration as well as vexation. Worldwide scientifi c excitement in this group was largely due to two pivotal discoveries by Japanese researchers: (1) the acquisition and retention of functional chloroplasts by the sacoglossan Elysia atroviridis Baba, 1955 and (2) the existence of extant populations of bivalved sacoglossans (initially Tamanovalva limax Kawaguti and Baba, 1959 and then related taxa). Eight of the nine sacoglossan families recognized by Jensen (1996Jensen ( , 2007 are represented in Japan. All the recognized sacoglossan genera are represented in Japan except: Roburnella Marcus, 1982; Platyhedyle Salvini-Plawen, 1973; Gascoignella Jensen, 1985; Olea Agersborg, 1923; Limapontia Johnston, 1836; and the Australian genera Edenttellina Gatliff and Gabriel, 1911 and Midorigai Burn, 1960. Taxonomic uncertainty has been caused by the absence of vouchers, incomplete and/or questionable descriptions, photographic misidentifi cations (books and internet), chronically unstable classifi cation, and other scientifi c challenges; in particular, the small size, cryptic coloration, and patchy distribution of sacoglossans have contributed to limited collections of many species. Since 2000, we have collected, photographed, and preserved unusually large numbers of Japanese sacoglossans, including species traditionally considered rare by malacologists. Although it is premature to produce a comprehensive inventory of the Japanese sacoglossan fauna, we consider it necessary to describe explicitly the strengths and weaknesses of current information. This assessment should assist professional and amateur malacologists with future sacoglossan study, particularly in the areas of biogeography, phylogeny, and ecology.

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Section: Bivalved Speciesmentioning

confidence: 97%

Section: Bivalved Speciesmentioning

confidence: 98%

Inventory of Japanese Sacoglossan Opisthobranchs: Historical Review, Current Records, and Unresolved Issues

Trowbridge¹,

Hirano

2011

American Malacological Bulletin

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Berthelinia Caribbea N. Sp., a Bivalved Gastropod From the West Atlantic.

Edmunds

1963

Journal of the Linnean Society of London, Zoology

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SUMMARY Berthelinia caribbea n. sp. is described from the alga Caulerpa verticillata growing in the mangrove swamps near Port Royal, Jamaica. The most important characters which distinguish it from related species are the position of the protoconch at two‐thirds of the shell length; the straight hinge with well developed hinge teeth; the white ligament; yellow shell rays; brown stripes on the head and mantle; the heart shaped pharyngeal bulb with a dorsal pouch; entire, denticulate radular teeth; the concentrated nervous system; and the ampulla divided into two parts. The resemblance to Anomalomya corrugata Cossmann is discussed, but it is concluded that, for the present, caribbea should remain in the genus Berthelinia. It appears to feed entirely on C. verticillata to which it remains attached by a byssus‐like thread even when the valves are closed. When irritated, it secretes a white fluid from the hypobranchial gland, but the deterrent value of this to potential predators is not known. B. caribbea may be able to survive in brackish water, although the evidence for this is inconclusive.

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Occurrence of Bivalve Gastropods along the Coast-line of New South Wales

Cited by 2 publications

References 1 publication

Inventory of Japanese Sacoglossan Opisthobranchs: Historical Review, Current Records, and Unresolved Issues

Inventory of Japanese Sacoglossan Opisthobranchs: Historical Review, Current Records, and Unresolved Issues

Berthelinia Caribbea N. Sp., a Bivalved Gastropod From the West Atlantic.

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