Description
Claparede and Lachmann , 1858 Lorica long , oral end often fla red ; wall 2-layered, homogeneous , clear; inner and outer layers of w a II , not thick ; 23 genera . 1. Lorica smooth .... ....... ... .... .. ... ..... .. .... .... .. .... ... .. ... .. 2 1 '. Lorica with fins , raised striae or ridges .... .... .. .3 2. Aboral end of lorica closed , rounded .. .. ........ .. .... .. .. ... .. .... .......... .... ... .. .. .. .... .. .. .... ... ...... ... ... Tintinnus 2'. Aboral end of lorica open .. .......... .... Eutintinnus 3. Lorica with distinct fins or raised striae , Fig . 32. A. Eut extending length of Iori ca ...... .Amphorel/opsis pec tinis , prot 3'. Lorica with few to many low ridges or striae , surface. From Ch restricted to aboral end .. .. .... .. ........ ....... ........... .4
Type species
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Claparede and Lachmann , 1858 Lorica long , oral end often fla red ; wall 2-layered, homogeneous , clear; inner and outer layers of w a II , not thick ; 23 genera . 1. Lorica smooth .... ....... ... .... .. ... ..... .. .... .... .. .... ... .. ... .. 2 1 '. Lorica with fins , raised striae or ridges .... .... .. .3 2. Aboral end of lorica closed , rounded .. .. ........ .. .... .. .. ... .. .... .......... .... ... .. .. .. .... .. .. .... ... ...... ... ... Tintinnus 2'. Aboral end of lorica open .. .......... .... Eutintinnus 3. Lorica with distinct fins or raised striae , Fig . 32. A. Eut extending length of Iori ca ...... .Amphorel/opsis pec tinis , prot 3'. Lorica with few to many low ridges or striae , surface. From Ch restricted to aboral end .. .. .... .. ........ ....... ........... .4