Annulariidae
New taxa (25): Annulariidae
08-10-2010 15:21
Sometimes relevant
literature appears in journals were you don’t expect
it. In the last number of Visaya - a journal nearly
exclusively devoted to marine shells - a paper was
published describing new taxa from the Dominican
Republic.
G.T. Watters, a well-known specialist on Annulariidae, describes the following taxa:
Abbottella (Abbottella) aenea n.sp., type locality Dominican Republic, Prov. La Altagracia, Punta Cana. Holotype UF 434777.
Leiabbottella n.gen., type species Leiabbottella galaxius Watters, 2010.
Leiabbottella galaxius n.sp., type locality Dominican Republic, Prov. Samaná, along Route 5 between Santa Bárbara de Samaná and Sánchez. Holotype UF 434779.
Left: A. (A.) aenea; right: L. galaxius.
Reference:
Watters, G.T., 2010. New taxa of Annulariidae from Dominican Republic (Gastropoda: Littorinoidea). - Visaya 3: 16-20.
G.T. Watters, a well-known specialist on Annulariidae, describes the following taxa:
Abbottella (Abbottella) aenea n.sp., type locality Dominican Republic, Prov. La Altagracia, Punta Cana. Holotype UF 434777.
Leiabbottella n.gen., type species Leiabbottella galaxius Watters, 2010.
Leiabbottella galaxius n.sp., type locality Dominican Republic, Prov. Samaná, along Route 5 between Santa Bárbara de Samaná and Sánchez. Holotype UF 434779.
Left: A. (A.) aenea; right: L. galaxius.
Reference:
Watters, G.T., 2010. New taxa of Annulariidae from Dominican Republic (Gastropoda: Littorinoidea). - Visaya 3: 16-20.
Photo of the day (101): Tudora
18-06-2010 10:37
Continuing this series
with more West Indian species and pictures by Gerard
van Buurt. This time species belonging to
Annulariidae.
These pictures were taken on Bonaire, at plantation Sta. Barbara, and show Tudora aurantia (Wood, 1828) on a coconut palm.
On Curaçao another Tudora species occurs, T. megacheilos (Potiez & Michaud, 1838). The pictures were taken in a garden in Willemstad.
Thanks Gerard!
These pictures were taken on Bonaire, at plantation Sta. Barbara, and show Tudora aurantia (Wood, 1828) on a coconut palm.
On Curaçao another Tudora species occurs, T. megacheilos (Potiez & Michaud, 1838). The pictures were taken in a garden in Willemstad.
Thanks Gerard!
Snails and spiders (2)
11-05-2009 20:42
In reaction to my
previous
post,
Adrián González Guillén sent me some pictures of
Cuban land shells showing the same phenomenon.
According to him “it´s well known in several
species of Annulariidae land shells of Cuba and
for sure in the Caribbean islands. In fact, in my
book ¨Cuba. The Landshells Paradise¨ (2008) I
mention this weird behaviour of land shells
hanging their selves with a ¨mucus rope¨ create[d]
by the animals, like something perhaps linked in
the evolutionary history of that operculate snails
species with predators, physiology or enviromental
factors. Who knows?”. One of the examples he
supplied is
Chondropometes
magnum
from Cuba.
A very quick search in Scholar didn’t reveal any relevant reference about mucous threads and snails, other than to marine and freshwater molluscs. I wonder if anything has been reported in the scientific malacological literature. Perhaps the observation in Borneo with spiderlings associated to shells was merely by chance. If the threads are really mucous from the snails, one would suspect some evolutionary advantage connected to this behaviour.
If you have any suggestion, please let me know.
A very quick search in Scholar didn’t reveal any relevant reference about mucous threads and snails, other than to marine and freshwater molluscs. I wonder if anything has been reported in the scientific malacological literature. Perhaps the observation in Borneo with spiderlings associated to shells was merely by chance. If the threads are really mucous from the snails, one would suspect some evolutionary advantage connected to this behaviour.
If you have any suggestion, please let me know.