-
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...
- the type
species is
Josephulus gracilis. The type
locality was the
Upper Leptaena Limestone.
Available Generic Names for
Trilobites Archived 2018-09-30 at...
- †Rafinesquinidae Subfamily: †Rafinesquininae Genus: †Rafinesquina
Clarke and Hall, 1892 Type
species Leptaena alternata Conrad, 1838
Species See Species...
- Sp. nov Candela,
Harper &
Mergl Ordovician Fezouata Formation Morocco
Leptaena eska Sp. nov
Valid Gallagher &
Harper Silurian United
Kingdom Lipanteris...
-
Rafinesque for a
number of
fossil brachiopod species then
belonging to
genus Leptaena; the
genus is now in the
family Rafinesquinidae. In 1896, the fish genus...
- anglicus,
Homolonotus delphinocephalus,
Calymene Blumenbachii);
brachiopods (
Leptaena rhomboidalis,
Rhynchonella Wilsoni,
Atrypa reticularis),
pelecypods (Cardiola...
- (Atrypa reticularis,
Spirifer plicatilis,
Rhynchonella cuneata, Orthis,
Leptaena, Pentamerus).
Lamellibranchs include the
genera Avicula,
Cardiola and Grammysia...
- †Leonaspis †Leperditella †Leperditella
germana †Lepidocyclus †
Leptaena †
Leptaena depressa †
Leptaena rhomboidalis †Leptodesma †Leptodesma
actualaris †Leptotrypa...
- †Leiorhynchus †Leperditia †Leperditia alta †Leperditia
elongata †
Leptaena †
Leptaena rhomboidalis –
report made of
unidentified related form or
using admittedly...
- brachiopod, a
subgenus of Rafinesquina. The type
species of the
subgenus is "
Leptaena"
pseudoloricata Barrande (1848); the
subgenus also
includes Rafinesquina...
