薄皱贝属
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： | 腕足动物门 Brachiopoda |
| 纲： | †扭月贝纲 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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薄皱贝属（学名：Leptaena）是瑞芬贝科薄皱贝亚科下已灭绝的一个属，生存于中奥陶纪至早石炭纪，生活在海底。[2]
特征
这类有铰腕足动物的壳形为半圆状，有突出耳状骨，铰线为直线。腹壳微隆而背壳多扁平，两瓣壳前缘朝同一角度显著弯折。壳表花纹为纤细的肋，以及同心状皱纹。薄皱贝通常将其腹壳朝下躺在海底。整个背壳几乎完全被沉积物掩盖住，除了朝上突出的前缘露出沉积物表面。[2]
物种[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
参考文献
- ^ 1.0 1.1 Fossilworks: Leptaena. [2018-01-03] （英语）.[失效链接]
- ^ 2.0 2.1 Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 80. ISBN 0789489848.
外部链接
- Leptaena in the Paleobiology Database