薄皺貝屬
薄皺貝屬（學名：Leptaena）是瑞芬貝科薄皺貝亞科下已滅絕的一個屬，生存於中奧陶紀至早石炭紀，生活在海底。[2]
薄皱贝属 化石时期：
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| Leptaena romboidalis | |
科学分类 
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| 界： | 动物界 Animalia |
| 门： | 腕足動物門 Brachiopoda |
| 纲： | †扭月貝綱 Strophomenata |
| 目： | †扭月贝目 Strophomenida |
| 科： | †瑞芬贝科 Rafinesquinidae |
| 亚科： | †薄皱贝亚科 Leptaeninae |
| 属： | †薄皱贝属 Leptaena Dalman, 1828 |
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特徵
這類有鉸腕足動物的殼形為半圓狀，有突出耳狀骨，鉸線為直線。腹殼微隆而背殼多扁平，兩瓣殼前緣朝同一角度顯著彎折。殼表花紋為纖細的肋，以及同心狀皺紋。薄皺貝通常將其腹殼朝下躺在海底。整個背殼幾乎完全被沉積物掩蓋住，除了朝上突出的前緣露出沉積物表面。[2]
物種[1]
- Leptaena (Leptaena) Dalman, 1828
- Leptaena (Septomena) Roomusoks, 1989
- Leptaena (Ygdrasilomena) Cocks, 2005
- Leptaena acuticuspidata Amsden, 1958
- Leptaena aequalis Amsden, 1974
- Leptaena alliku Oraspold, 1956
- Leptaena altera Rybnikova, 1966
- Leptaena amelia Havlicek, 1967
- Leptaena analogaeformis Biernat, 1966
- Leptaena arberae Kelly, 1967
- Leptaena argentina Thomas, 1905
- Leptaena borghiana Mergl & Massa, 1992
- Leptaena boyaca Caster, 1939
- Leptaena contermina Cocks, 1968
- Leptaena convexa Weller, 1914
- Leptaena cooperi Easton et al., 1958
- Leptaena croma Havlicek & Storch, 1990
- Leptaena cryptoides Oraspold, 1956
- Leptaena dejecta Baarli, 1995
- Leptaena delicata Amsden, 1949
- Leptaena depressa Sowerby, 1825
- Leptaena electra Havlicek, 1967
- Leptaena gibbosa James, 1874
- Leptaena haverfordensis Bancroft, 1949
- Leptaena holcrofti Bassett, 1974
- Leptaena kentuckiana Pope, 1982
- Leptaena lappa Havlicek & Storch, 1990
- Leptaena lappina Havlicek & Storch, 1990
- Leptaena lemniscata Havlicek, 1967
- Leptaena limbifera Havlicek, 1967
- Leptaena moniquensis Foerste, 1924
- Leptaena nanaformis Zhang & al., 1983
- Leptaena nassichuki Smith, 1980
- Leptaena odeon Havlicek, 1967
- Leptaena oklahomensis Amsden, 1951
- Leptaena orhor Havlicek & Storch, 1990
- Leptaena parvirugata Hoel, 2005
- Leptaena parvissima Ivanovskii & Kulkov, 1974
- Leptaena poulseni Kelly, 1967
- Leptaena praequalis Rozman, 1977
- Leptaena provellerosa Havlicek & Storch, 1990
- Leptaena purpurea Cocks, 1968
- Leptaena quadrata Bancroft, 1949
- Leptaena quadrilatera Logan, 1863
- Leptaena rara Alekseeva & Erlanger, 1983
- Leptaena rhomboidalis Wahlenberg, 1821
- Leptaena richmondensis Foerste, 1909
- Leptaena rugata Lindström, 1861
- Leptaena rugaurita Havlicek, 1967
- Leptaena rugosoides Oraspold, 1956
- Leptaena salopiensis Williams, 1963
- Leptaena semiradiata Sowerby, 1842
- Leptaena sperion Bassett, 1977
- Leptaena valida Bancroft, 1949
- Leptaena vellerosa Havlicek, 1967
- Leptaena ventricosa Williams, 1963
- Leptaena ventricosa Hall, 1857
- Leptaena zeta Lamont, 1947
- Leptaena ziegleri Cocks, 1968
- Leptaenopoma trifidium Marek & Havlíček, 1967
- Orhoria lappa Havlicek & Storch, 1990
- Orhoria lappina Havlicek & Storch, 1990
參考文獻
- ^ 1.0 1.1 Fossilworks: Leptaena. [2018-01-03] （英语）.[失效連結]
- ^ 2.0 2.1 Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 80. ISBN 0789489848.
外部連結
- Leptaena in the Paleobiology Database