Leptolepid otoliths from the Hauterivian (Lower Cretaceous) Lower Weald Clay (southern England)

被引：2

作者：

Sutherland, Joseph T. Flannery ^{[1
]}

Austen, Peter A. ^{[2
]}

Duffin, Christopher J. ^{[1
,3
,4
]}

Benton, Michael J. ^{[1
]}

机构：

[1] Univ Bristol, Sch Earth Sci, Bristol BS8 1RJ, Avon, England

[2] 3 Bromley Redoad, Seaford BN25 3ES, E Sussex, England

[3] 146 Church Hill Rd, Sutton SM3 8NF, Surrey, England

[4] Nat Hist Museum, Earth Sci Dept, Cromwell Rd, London SW7 5BD, England

来源：

PROCEEDINGS OF THE GEOLOGISTS ASSOCIATION | 2017年 / 128卷 / 04期

关键词：

Hauterivian; Teleost; Coprocoenosis; Wealden; Leptolepid; Otolith; FISH OTOLITHS; FEEDING-HABITS; GROWTH; MICROFOSSILS; PATTERNS; ACCOUNT;

D O I：

10.1016/j.pgeola.2017.05.001

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Teleostean saccular otoliths from the upper part of the late Hauterivian Lower Weald Clay Formation of the Wealden Supergroup exposed at Langhurstwood Quarry, West Sussex, UK, and Clockhouse Brickworks, Surrey, UK are described for the first time. Two new species of the genus Leptolepis, Leptolepis wealdensis and Leptolepis toyei are described. Many of the specimens are densely packed on individual bedding planes and they are interpreted as coprocoenotic accumulations. Additional mechanisms of deposition and concentration are discussed, in particular wave action. Ontogenetic series show isometric growth of the otoliths, and some specimens show growth rings on two orders of magnitude. (C) 2017 The Geologists' Association. Published by Elsevier Ltd. All rights reserved.

引用

页码：613 / 625

页数：13

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