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At least 10 shark and two ray species were recorded, with two sharks,\n            <jats:italic>Pteroscyllium speetonensis<\/jats:italic>\n            sp. nov. and\n            <jats:italic>Palaeobrachaelurus mitchelli<\/jats:italic>\n            sp. nov. being described as new. The oldest occurrences of the family Anacoracidae and the genus\n            <jats:italic>Pteroscyllium,<\/jats:italic>\n            as well as the youngest occurrence of the genus\n            <jats:italic>Palaeobrachaelurus,<\/jats:italic>\n            were recorded. The palaeoenvironmental significance of the faunas is briefly discussed.\n          <\/jats:p>","DOI":"10.1144\/pygs.55.2.107","type":"journal-article","created":{"date-parts":[[2009,12,2]],"date-time":"2009-12-02T22:49:14Z","timestamp":1259794154000},"page":"107-118","update-policy":"https:\/\/doi.org\/10.1144\/crossmark-policy","source":"Crossref","is-referenced-by-count":24,"title":["Barremian and Aptian (Cretaceous) sharks and rays from Speeton, Yorkshire, NE England"],"prefix":"10.1144","volume":"55","author":[{"given":"C. J.","family":"Underwood","sequence":"first","affiliation":[{"name":"School of Earth Sciences, Birkbeck College, Malet Street, London WC1E 7HX, UK (e-mail:)"}]}],"member":"1881","published-online":{"date-parts":[[2022,6,6]]},"reference":[{"key":"e_1_3_2_2_1","first-page":"743","article-title":"A revision of the higher taxa of orectolobids","volume":"14","author":"Applegate S. P.","year":"1972","unstructured":"Applegate, S. P. 1972. 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