{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T13:23:50Z","timestamp":1790342630429,"version":"4.1.0"},"reference-count":34,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2019,12,17]],"date-time":"2019-12-17T00:00:00Z","timestamp":1576540800000},"content-version":"am","delay-in-days":365,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#am"},{"start":{"date-parts":[[2018,12,17]],"date-time":"2018-12-17T00:00:00Z","timestamp":1545004800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Morphology"],"published-print":{"date-parts":[[2019,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Atlantic Cutlassfish, <jats:styled-content style=\"fixed-case\"><jats:italic>Trichiurus lepturus<\/jats:italic><\/jats:styled-content>, have large, barbed, premaxillary and dentary fangs, and sharp dagger\u2010shaped teeth in their oral jaws. Functional teeth firmly ankylose to the dentigerous bones. We used dry skeletons, histology, SEM, and micro\u2010CT scanning to study 92 specimens of <jats:styled-content style=\"fixed-case\"><jats:italic>T. lepturus<\/jats:italic><\/jats:styled-content> from the western North Atlantic to describe its dentition and tooth replacement. We identified three modes of intraosseous tooth replacement in <jats:styled-content style=\"fixed-case\"><jats:italic>T. lepturus<\/jats:italic><\/jats:styled-content> depending on the location of the tooth in the jaw. Mode 1 relates to replacement of premaxillary fangs, in which new tooth germs enter the lingual surface of the premaxilla, develop horizontally, and rotate into position. We suggest that growth of large fangs in the premaxilla is accommodated by this horizontal development. Mode 2 occurs for dentary fangs: new tooth germs enter the labial surface of the dentary, develop vertically, and erupt into position. Mode 3 describes replacement of lateral teeth, in which new tooth germs enter a trench along the crest of the dentigerous bone, develop vertically, and erupt into position. Such distinct modes of tooth replacement in a teleostean species are unknown. We compared modes of replacement in <jats:styled-content style=\"fixed-case\"><jats:italic>T. lepturus<\/jats:italic><\/jats:styled-content> to 20 species of scombroids to explore the phylogenetic distribution of these three replacement modes. Alternate tooth replacement (in which new teeth erupt between two functional teeth), ankylosis, and intraosseous tooth development are plesiomorphic to Bluefish + other Scombroidei. Our study highlights the complexity and variability of intraosseous tooth replacement. Within tooth replacement systems, key variables include sites of formation of tooth germs, points of entry of tooth germs into dentigerous bones, coupling of tooth germ migration and bone erosion, whether teeth develop horizontally or immediately beneath the tooth to be replaced, and how tooth eruption and ankylosis occur. Developmentally different tooth replacement processes can yield remarkably similar dentitions.<\/jats:p>","DOI":"10.1002\/jmor.20919","type":"journal-article","created":{"date-parts":[[2018,12,17]],"date-time":"2018-12-17T16:15:44Z","timestamp":1545063344000},"page":"78-94","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Tooth development and replacement in the Atlantic Cutlassfish, <scp><i>Trichiurus lepturus<\/i><\/scp>, with comparisons to other Scombroidei"],"prefix":"10.1002","volume":"280","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7471-9283","authenticated-orcid":false,"given":"Katherine E.","family":"Bemis","sequence":"first","affiliation":[{"name":"Department of Fisheries Science Virginia Institute of Marine Science, College of William &amp; Mary  Gloucester Point Virginia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samantha M.","family":"Burke","sequence":"additional","affiliation":[{"name":"Department of Ecology and Evolutionary Biology Cornell University  Ithaca New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carl A.","family":"St. John","sequence":"additional","affiliation":[{"name":"Department of Ecology and Evolutionary Biology Cornell University  Ithaca New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric J.","family":"Hilton","sequence":"additional","affiliation":[{"name":"Department of Fisheries Science Virginia Institute of Marine Science, College of William &amp; Mary  Gloucester Point Virginia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William E.","family":"Bemis","sequence":"additional","affiliation":[{"name":"Department of Ecology and Evolutionary Biology and Cornell University Museum of Vertebrates Cornell University  Ithaca New York"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,12,17]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"1","article-title":"Morphology and phylogenetic relationships of fossil snake mackerels and cutlassfishes (Trichiuroidea) from the Eocene (Ypressian) London Clay Formation","author":"Beckett H. 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