Mémoires sur les animaux sans vertèbres. *2e partie*Description et classification des animaux invertébrés, non articulés, connus sous les noms de mollusques, de radiaires, de polypes, etc

Savigny, Jules-César

doi:10.5962/bhl.title.125538

Cited by 14 publications

(14 citation statements)

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“…The present specimen conforms well to the original description of Polyclinum saturnium given by Savigny (1816) and its subsequent one by Tokioka (1962b), especially in the colony shape, thoracic musculature and the number of stigmata! rows.…”

Section: -B)supporting

confidence: 88%

“…Recently Kott & Goodbody (1980) synonymized P. vasculosum and P. laxum Van Name, 1945, with P. constellatum Savigny, 1816, while Kott (1981) synonymized P. tsutsuii with P. sundaicum (Sluiter, 1909). On the other hand, Tokioka (1967c) pointed out the remarkable similarity in the zooidal structure between P. vasculosum and P. tsutsuii Tokioka, 1954; further, he regarded P. laxum as a junior synonym of P. vasculosum, but distinguished this species clearly from P. constellatum.…”

Section: Polyclinum Vasculosummentioning

confidence: 99%

“…Eudistoma rubrum Tokioka, 1954, whose specific name was originally spelled erroneously as rubra but later corrected by Tokioka (1967c) in concordance in gender (neuter in this case) with the generic name, obviously represents a junior homonym of Eudistoma rubrum (Savigny, 1816) (see Hartmeyer, 1919b;Peres, 1958a). Since E. rubrum Tokioka has no available synonyms, E. rubrum Tokioka must be replaced by a new name, for which name tokiokai is proposed here.…”

Section: Remarks Specimens Collected From Korean Shores Facing Koreamentioning

confidence: 99%

“…Osaka Bay (Tokioka, 1962b), west coast of Kii Pen., 3.5 m deep (Nishikawa, 1980b) and Sagami Bay, 80 m deep (Tokioka, 1962b), Japan; Gulf of Suez (Savigny, 1816;Hartmeyer, 1915b;Michaelsen, 1920); Gulf of Aquaba (Van Name, 1952); Red Sea (Michaelsen, 1920).…”

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confidence: 99%

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The Ascidians of the Japan Sea. I

Nishikawa¹

1990

Publ. SMBL

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The ascidian fauna in the Japan Sea was studied by examination of new material mainly from littoral areas and the type or other available specimens and by a literature survey of previous records. A total of 163 species, including infraspecific taxa, belonging to 50 genera of 14 families were recorded from this sea. Included are descriptions of five new species, proposal of a new replacement name and many taxonomic amendments. The fauna thus understood has been analyzed zoogeographically mainly in terms of biogeographic elements. Consideration of the results supports in many respects the previous knowledge about the biotic peculiarities of the sea, but also gives some new findings.

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Section: -B)supporting

confidence: 88%

Section: Polyclinum Vasculosummentioning

confidence: 99%

Section: Remarks Specimens Collected From Korean Shores Facing Koreamentioning

confidence: 99%

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confidence: 99%

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The Ascidians of the Japan Sea. I

Nishikawa¹

1990

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“…His type of the genus was L. maculosum which is now placed in the ge:Q.us Didemnum Savigny (1816). Other species were L. asperum and L. durum which are now regarded as mere forms of Didemnum maculosum (e.g.…”

Section: Notes On the Didemnidae (Ascidiacea)mentioning

confidence: 99%

Notes on the Didemnidae (Ascidiacea). II. The number of rows of stigmata inDidemnum gelatinosumMilne Edwards and inDidemnum maculosum(Milne Edwards)

Carlisle

1954

J. Mar. Biol. Ass.

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Milne Edwards (1841) established the genusLeptoclinum for those Didemnidae which possessed a largely expanded common cloacal system. His type of the genus wasL. maculosum which is now placed in the genusDidemnum Savigny (1816). Other species wereL. asperum andL. durum which are now regarded as mere forms ofDidemnum maculosum (e.g. Harant & Vernièeres, 1933); Leptoclinum fulgens which is closely related (see Harant & Vernièeres), if not a mere colour form ofDidemnum maculosum], Leptoclinum listerianum which has been transferred to the genusDiplosoma Macdonald; andLeptoclinum gelatinosum. This last has often been considered synonymous withDiplosoma listerianum, but my reasons for disagreeing with this assumption are elsewhere expressed (Carlisle, 1953). Milne Edwards did not of course describe the course of the sperm duct by whichDiplosoma is distinguished fromDidemnum. In the absence of a description of this diagnostic character we are reduced to a consideration of numerous details of the anatomy of Leptoclinum gelatinosum in order to decide where to place it in the classificatory scheme. When such a point-by-point comparison of shape and curvature of the gut, position of anus, form of atrial and buccal apertures, nature of test, etc., is made, it appears that the one point in which the drawings and descriptions given by Milne Edwards differ betweenL. gelatinosum andDidemnumgelatinosum Mime Edwards (1841) is the presence of a common cloacal system in the former and its absence in the latter. But the presence or absence of a common cloacal system is no longer regarded as a generic distinction (see, for example, van Name, 1945).

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Spicule formation in the solitary ascidian, herdmania momus

Lambert

1987

Journal of Morphology

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Two types of calcareous spicules occur abundantly in Herdmania momus, a solitary pyurid ascidian with a worldwide warm water distribution. The large spindle-shaped body spicules are 1.5-2.5-mm long and are located primarily in the mantle, siphons, and branchial basket. Each body spicule possesses 100 or more rows of overlapping, unidirectional fringing spines. Numerous body spicules occur regularly spaced within a long common sheath of complex structure, and there are many sheaths per animal. Between neighboring body spicules and overlying the fringing spines are the tightly connected pseudopodial sclerocytes. Spine formation is hypothesized to occur within these cells. The body spicules apparently continue to increase in size throughout the animal's life. The tunic spicules are about one tenth the length of the body spicules. They have 20-40 rows of unidirectional nonoverlapping fringing spines and a mace-shaped spiny base that anchors them at the tunic surface. They form quickly in individual spicular envelopes inside the tunic blood vessels over a 4-5-day period. Each tunic spicule then leaves its surrounding envelope and blood vessel, passes into the tunic, and ultimately protrudes through the outer surface of the tunic. An organic covering inside the envelope closely adheres to the tunic spicules and stains with toluidine blue. Dissolution of the CaCO mineral phase by EDTA or EDTA-cetylpyridinium chloride-formaldehyde reveals an intricately patterned organic matrix within or upon which the spicules develop.

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Mémoires sur les animaux sans vertèbres. 2e partieDescription et classification des animaux invertébrés, non articulés, connus sous les noms de mollusques, de radiaires, de polypes, etc

Cited by 14 publications

References 0 publications

The Ascidians of the Japan Sea. I

The Ascidians of the Japan Sea. I

Notes on the Didemnidae (Ascidiacea). II. The number of rows of stigmata inDidemnum gelatinosumMilne Edwards and inDidemnum maculosum(Milne Edwards)

Spicule formation in the solitary ascidian, herdmania momus

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