Definition of Leptaena. Meaning of Leptaena. Synonyms of Leptaena

- Leptaena is an extinct genus of mid-sized brachiopod that existed from the Dariwilian epoch to the Emsian epoch, though some specimens have been found...
- belonging to the superfamily Stricklandioidea and the family Kulumbellidae. Leptaena eska Sp. nov Valid Gallagher & Harper Silurian  United Kingdom Lissatrypa...
- Rafinesque for a number of fossil brachiopod species then belonging to genus Leptaena; the genus is now in the family Rafinesquinidae.[citation needed] 1810:...
- the type species is Josephulus gracilis. The type locality was the Upper Leptaena Limestone. Available Generic Names for Trilobites P.A. Jell and J.M. Adrain...
- †Rafinesquinidae Subfamily: †Rafinesquininae Genus: †Rafinesquina Clarke and Hall, 1892 Type species Leptaena alternata Conrad, 1838 Species See Species...
- Proteus. Ostracods (beyrichids etc.), brachiopods (Atrypa reticularis, Leptaena, Eospirifer etc.), bryozoans and tentaculitids are also relatively common...
- splendens Kozlowskiellina K. vaningeni Leangella L. (Opikella) dissiticostella Leptaena Lissostrophia Meristina M. clairensis Nanospira N. clairensis Nucleospira...
- The formation has provided the following fossils: Atrypa reticularis Leptaena rhomboidalis Orthostrophia cf. dartae Chonetes sp. Dalejina sp. Dalmanites...
- The formation has provided fossils of: Hedstroemina sp. Iberomena sp. Leptaena sp. Leptestiina sp. Porambonites sp. Eoanastrophia sp. Rostricellula sp...
- anglicus, Homolonotus delphinocephalus, Calymene Blumenbachii); brachiopods (Leptaena rhomboidalis, Rhynchonella Wilsoni, Atrypa reticularis), pelecypods (Cardiola...