Helicinidae    Costa Rican Helicinids   New Species

Helicina talamancensis
Newly introduced Taxa of Helicinidae

My studies of Helicinidae revealed new species and subspecies respectively. The one's were newly discovered during fieldwork in more remote areas or less intensively searched habitats, others were previously misunderstood as known species and had to be separated.

Helicina talamancensistalamancensis RICHLING 2001 Described as:
Oligyra talamancensis RICHLING 2001: 3-5 (text figure)
Current systematic position:
Helicina ("Gemma") talamancensis
Distribution: Costa Rica
Helicina chiquiticachiquitica RICHLING 2001 Described as:
Oligyra chiquitica RICHLING 2001: 1-2 (text figure)
Current systematic position:
Helicina ("Gemma") chiquitica
Distribution: Costa Rica
Alcadia (Microalcadia) hojarascahojarasca RICHLING 2001 Described as:
Helicina hojarasca RICHLING 2001: 5-6 (text figure)
Current systematic position:
Alcadia (Microalcadia) hojarasca
Distribution: Costa Rica
Alcadia (Microalcadia) boeckeleriboeckeleri RICHLING 2001 Described as:
Helicina boeckeleri RICHLING 2001: 6-7 (text figure)
Current systematic position:
Alcadia (Microalcadia) boeckeleri
Distribution: Costa Rica
Helicina echandiensisechandiensis RICHLING 2004 Described as:
Helicina (Tristramia) echandiensis RICHLING 2004: 271-277, figs. 77-86 (fig. 77 holotype)
Current systematic position:
Helicina (Tristramia) echandiensis
Distribution: Costa Rica
Helicina punctisulcata cuericiensiscuericiensis RICHLING 2004 Described as:
Helicina (Tristramia) punctisulcata cuericiensis RICHLING 2004: 277-283, figs. 89-97 (fig. 89 holotype)
Current systematic position:
Helicina (Tristramia) punctisulcata cuericiensis
Distribution: Costa Rica
Helicina beatrix riopejensisriopejensis RICHLING 2004 Described as:
Helicina ("Gemma") beatrix riopejensis RICHLING 2004: 303-308, figs. 131-139 (fig. 131 holotype)
Current systematic position:
Helicina ("Gemma") beatrix riopejensis
Distribution: Costa Rica
Helicina monteverdensismonteverdensis RICHLING 2004 Described as:
Helicina ("Gemma") monteverdensis RICHLING 2004: 334-348, figs. 189-209 (fig. 189 holotype)
Current systematic position:
Helicina ("Gemma") monteverdensis
Distribution: Costa Rica
Helicina escondidaescondida RICHLING 2004 Described as:
Helicina ("Gemma") escondida RICHLING 2004: 348-357, figs. 210-227 (fig. 210 holotype)
Current systematic position:
Helicina ("Gemma") escondida
Distribution: Costa Rica
Sturanya sublaevigatoidessublaevigatoides RICHLING 2009 Described as:
Sturanya sublaevigatoides RICHLING 2009: 269-273, figs. 19-30 (fig. 19 holotype)
Current systematic position:
Sturanya sublaevigatoides
Distribution: New Caledonia: Îles Loyauté (Loyalty Islands)
Sturanya eutrochatelloideseutrochatelloides RICHLING 2009 Described as:
Sturanya eutrochatelloides RICHLING 2009: 331-335, figs. 196-205 (fig. 196 holotype)
Current systematic position:
Sturanya eutrochatelloides
Distribution: New Caledonia: Grande Terre (main island)
Sturanya koumacensiskoumacensis RICHLING 2009 Described as:
Sturanya koumacensis RICHLING 2009: 344-347, figs. 232-240 (fig. 232 holotype)
Current systematic position:
Sturanya koumacensis
Distribution: New Caledonia: Grande Terre (main island)
Nesiocina trilamellatatrilamellata RICHLING & BOUCHET 2013 Described as:
Nesiocina trilamellata RICHLING & BOUCHET 2013: 2445-2447, figs. 1a, 6-7 (figs. 1a, 6 holotype)
Current systematic position:
Nesiocina trilamellata
Distribution: French Polynesia: Gambier Islands (main island) - extinct
Nesiocina unilamellataunilamellata RICHLING & BOUCHET 2013 Described as:
Nesiocina unilamellata RICHLING & BOUCHET 2013: 2447-2448, figs. 1b, 8-9 (figs. 1b, 8 holotype)
Current systematic position:
Nesiocina unilamellata
Distribution: French Polynesia: Gambier Islands (main island) - extinct
Nesiocina gambierensisgambierensis RICHLING & BOUCHET 2013 Described as:
Nesiocina gambierensis RICHLING & BOUCHET 2013: 2448-2449, figs. 1c, 10 (figs. 10 holotype)
Current systematic position:
Nesiocina gambierensis
Distribution: French Polynesia: Gambier Islands (main island) - extinct
Nesiocina superoperculatasuperoperculata RICHLING & BOUCHET 2013 Described as:
Nesiocina superoperculata RICHLING & BOUCHET 2013: 2449-2451, figs. 1d, 11, 12a (figs. 1d, 11 holotype)
Current systematic position:
Nesiocina superoperculata
Distribution: French Polynesia: Gambier Islands (main island) - extinct
Nesiocina abdouiabdoui RICHLING & BOUCHET 2013 Described as:
Nesiocina abdoui RICHLING & BOUCHET 2013: 2451-2452, figs. 2a, 12b, 13 (figs. 2a, 13 holotype)
Current systematic position:
Nesiocina abdoui
Distribution: French Polynesia: Gambier Islands (main island) - extinct
Nesiocina mangarevaemangarevae RICHLING & BOUCHET 2013 Described as:
Nesiocina mangarevae RICHLING & BOUCHET 2013: 2452-2454, figs. 2b, 14 (figs. 2b, 14 holotype)
Current systematic position:
Nesiocina mangarevae
Distribution: French Polynesia: Gambier Islands (main island) - extinct
Nesiocina grohigrohi RICHLING & BOUCHET 2013 Described as:
Nesiocina grohi RICHLING & BOUCHET 2013: 2454-2455, figs. 2c, 15 (figs. 2c, 15 holotype)
Current systematic position:
Nesiocina grohi
Distribution: French Polynesia: Gambier Islands (main island) - extinct
Nesiocina pauciplicatapauciplicata RICHLING & BOUCHET 2013 Described as:
Nesiocina pauciplicata RICHLING & BOUCHET 2013: 2455-2456, figs. 2d, 16 (figs. 2d, 16 holotype)
Current systematic position:
Nesiocina pauciplicata
Distribution: French Polynesia: Gambier Islands (main island) - extinct
Sturanya makaroaensismakaroaensis RICHLING & BOUCHET 2013 Described as:
Sturanya makaroaensis RICHLING & BOUCHET 2013: 2459-2461, figs. 3c, 12d, 19-20 (figs. 3c, 19 holotype)
Current systematic position:
Sturanya makaroaensis
Distribution: French Polynesia: Gambier Islands (main island)

© Ira Richling, Germany