Olfactory organ of acipenseriformes and comparison with other actinopterygians: Patterns of diversity
Identifieur interne : 001C42 ( Main/Merge ); précédent : 001C41; suivant : 001C43Olfactory organ of acipenseriformes and comparison with other actinopterygians: Patterns of diversity
Auteurs : Xin-Yu Chen [États-Unis] ; Gloria Arratia [États-Unis, Allemagne]Source :
- Journal of Morphology [ 0362-2525 ] ; 1994-12.
Abstract
The position and structure of the olfactory organ and its openings vary among actinopterygians. The anterior nasal opening is a simple perforation in the skin in many extant actinopterygians (e.g., acipenseriforms, lepisosteids, and primitive Recent teleosts) and represents the primitive condition. Polypterids and Amia each exhibit a derived condition, in which the anterior nasal opening extends into a tube. The olfactory organ is relatively far away from the anterior end of the elongate rostrum in acipenseriforms, whereas the olfactory organs are closer to the anterior end of the snout in extant actinopterygians (e.g., polypterids, lepisosteids, and amiids). In adults, olfactory organs are cuplike structures in most actinopterygians, but these organs are tubelike in polypterids. Among extant actinopterygians, a nasal diverticulum is present only in polypterids. Teleosts have accessory nasal sacs, but chondrosteans, polypterids, lepisosteids, and amiids lack them. The olfactory rosette is formed by primary folds or lamellae that may be placed anterior, lateral, posterior, and/or medial to the axis of the organ. Large acipenserids have 20–32 lamellae, polyodontids have 13–18 lamellae, lepisosteids have 8–10 lamellae, and Amia may have over 100. In teleosts, the number of lamellae varies from none or a few to over 200. Secondary lamellae are present in acipenseriforms, lepisosteids, and some advanced teleosts; secondary lamellae are interpreted as independently acquired in these lineages. Secondary lamellae are absent in Amia and primitive teleosts such as Elops and Hiodon. Tertiary lamellae are present in Acipenser oxyrhynchus. The arrangement of the primary lamellae in relation to the axis of the organ results in at least 11 patterns of the olfactory rosette in actinopterygians. Lamellae that are enclosed in a tubelike sac and that have an anteromedial diverticulum are specializations of polypterids. Primary lamellae anterior, lateral, and posterior to an elongate axis are characteristic of lepisosteids. The presence of primary lamellae lateral, medial, and posterior to an elongate olfactory axis is a synapomorphy of Halecomorpha (Amia plus teleosts). The absence of secondary lamellae is a synapomorphy of Halecomorpha. © 1994 Wiley‐Liss, Inc.
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DOI: 10.1002/jmor.1052220304
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Olfactory organ of acipenseriformes and comparison with other actinopterygians: Patterns of diversity</title><author><name sortKey="Chen, Xin U" sort="Chen, Xin U" uniqKey="Chen X" first="Xin-Yu" last="Chen">Xin-Yu Chen</name></author><author><name sortKey="Arratia, Gloria" sort="Arratia, Gloria" uniqKey="Arratia G" first="Gloria" last="Arratia">Gloria Arratia</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:8C26355FCBC01D367E2CA2B1E04C126FE7383B26</idno><date when="1994" year="1994">1994</date><idno type="doi">10.1002/jmor.1052220304</idno><idno type="url">https://api.istex.fr/document/8C26355FCBC01D367E2CA2B1E04C126FE7383B26/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001353</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001353</idno><idno type="wicri:Area/Istex/Curation">001351</idno><idno type="wicri:Area/Istex/Checkpoint">001076</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">001076</idno><idno type="wicri:doubleKey">0362-2525:1994:Chen X:olfactory:organ:of</idno><idno type="wicri:Area/Main/Merge">001C42</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Olfactory organ of acipenseriformes and comparison with other actinopterygians: Patterns of diversity</title><author><name sortKey="Chen, Xin U" sort="Chen, Xin U" uniqKey="Chen X" first="Xin-Yu" last="Chen">Xin-Yu Chen</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Kansas</region></placeName><wicri:cityArea>Department of Systematics and Ecology, and Museum of Natural History, The University of Kansas, Lawrence</wicri:cityArea></affiliation></author><author><name sortKey="Arratia, Gloria" sort="Arratia, Gloria" uniqKey="Arratia G" first="Gloria" last="Arratia">Gloria Arratia</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Kansas</region></placeName><wicri:cityArea>Department of Systematics and Ecology, and Museum of Natural History, The University of Kansas, Lawrence</wicri:cityArea></affiliation><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Current Address: Gloria Arratia is now at the Institut für Paläontologie, Museum für Naturkunde der Humboldt‐Universität, 10115 Berlin</wicri:regionArea><placeName><region type="land" nuts="3">Berlin</region><settlement type="city">Berlin</settlement></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Morphology</title><title level="j" type="abbrev">J. Morphol.</title><idno type="ISSN">0362-2525</idno><idno type="eISSN">1097-4687</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="1994-12">1994-12</date><biblScope unit="volume">222</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="241">241</biblScope><biblScope unit="page" to="267">267</biblScope></imprint><idno type="ISSN">0362-2525</idno></series><idno type="istex">8C26355FCBC01D367E2CA2B1E04C126FE7383B26</idno><idno type="DOI">10.1002/jmor.1052220304</idno><idno type="ArticleID">JMOR1052220304</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0362-2525</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The position and structure of the olfactory organ and its openings vary among actinopterygians. The anterior nasal opening is a simple perforation in the skin in many extant actinopterygians (e.g., acipenseriforms, lepisosteids, and primitive Recent teleosts) and represents the primitive condition. Polypterids and Amia each exhibit a derived condition, in which the anterior nasal opening extends into a tube. The olfactory organ is relatively far away from the anterior end of the elongate rostrum in acipenseriforms, whereas the olfactory organs are closer to the anterior end of the snout in extant actinopterygians (e.g., polypterids, lepisosteids, and amiids). In adults, olfactory organs are cuplike structures in most actinopterygians, but these organs are tubelike in polypterids. Among extant actinopterygians, a nasal diverticulum is present only in polypterids. Teleosts have accessory nasal sacs, but chondrosteans, polypterids, lepisosteids, and amiids lack them. The olfactory rosette is formed by primary folds or lamellae that may be placed anterior, lateral, posterior, and/or medial to the axis of the organ. Large acipenserids have 20–32 lamellae, polyodontids have 13–18 lamellae, lepisosteids have 8–10 lamellae, and Amia may have over 100. In teleosts, the number of lamellae varies from none or a few to over 200. Secondary lamellae are present in acipenseriforms, lepisosteids, and some advanced teleosts; secondary lamellae are interpreted as independently acquired in these lineages. Secondary lamellae are absent in Amia and primitive teleosts such as Elops and Hiodon. Tertiary lamellae are present in Acipenser oxyrhynchus. The arrangement of the primary lamellae in relation to the axis of the organ results in at least 11 patterns of the olfactory rosette in actinopterygians. Lamellae that are enclosed in a tubelike sac and that have an anteromedial diverticulum are specializations of polypterids. Primary lamellae anterior, lateral, and posterior to an elongate axis are characteristic of lepisosteids. The presence of primary lamellae lateral, medial, and posterior to an elongate olfactory axis is a synapomorphy of Halecomorpha (Amia plus teleosts). The absence of secondary lamellae is a synapomorphy of Halecomorpha. © 1994 Wiley‐Liss, Inc.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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