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HELENOCONCHA

Helenoconcha

Genus of gastropods

genus Helenoconcha include: Helenoconcha leptalea Helenoconcha minutissima Helenoconcha polyodon Helenoconcha pseustes Helenoconcha relicta Helenoconcha sexdentata

Helenoconcha

Helenoconcha relicta

Species of gastropod

The Ammonite Snail (Helenoconcha relicta) is a species of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Charopidae

Helenoconcha relicta

Helenoconcha_relicta

Helenoconcha pseustes

Species of gastropod

Helenoconcha pseustes was a species of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Charopidae. This species

Helenoconcha pseustes

Helenoconcha_pseustes

Helenoconcha minutissima

Extinct species of gastropod

Helenoconcha minutissima is an extinct species of gastropod in the family Charopidae. It was endemic to Saint Helena. Mollusc Specialist Group (1996).

Helenoconcha minutissima

Helenoconcha_minutissima

IUCN Red List of extinct species

aldabrae) Family Charopidae Helenoconcha leptalea Helenoconcha minutissima Helenoconcha polyodon Helenoconcha pseustes Helenoconcha sexdentata Helenodiscus

IUCN Red List of extinct species

IUCN_Red_List_of_extinct_species

Helenoconcha sexdentata

Species of gastropod

†Helenoconcha sexdentata was a species of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Charopidae. This species

Helenoconcha sexdentata

Helenoconcha_sexdentata

Helenoconcha leptalea

Extinct species of gastropod

†Helenoconcha leptalea is an extinct species of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Charopidae. This

Helenoconcha leptalea

Helenoconcha_leptalea

List of Saint Helena, Ascension and Tristan da Cunha species extinct in the Holocene

eu/index.php/ejt/article/view/3007/13499# Mollusc Specialist Group (1996). "Helenoconcha leptalea". IUCN Red List of Threatened Species. 1996 e.T9765A13014709

List of Saint Helena, Ascension and Tristan da Cunha species extinct in the Holocene

List_of_Saint_Helena,_Ascension_and_Tristan_da_Cunha_species_extinct_in_the_Holocene

Helenoconcha polyodon

Species of gastropod

Helenoconcha polyodon was a species of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Charopidae. This species

Helenoconcha polyodon

Helenoconcha_polyodon

List of non-marine molluscs of Saint Helena

Chilonopsis turtoni (X) Helenoconcha leptalea (X) Helenoconcha minutissima (X) Helenoconcha polyodon (X) Helenoconcha pseustes (X) Helenoconcha relicta - Ammonite

List of non-marine molluscs of Saint Helena

List_of_non-marine_molluscs_of_Saint_Helena

List of recently extinct molluscs

Harmogenanina subdetecta Helenoconcha leptalea Helenoconcha minutissima Helenoconcha polyodon Helenoconcha pseustes Helenoconcha sexdentata Helenodiscus

List of recently extinct molluscs

List_of_recently_extinct_molluscs

List of recently extinct invertebrates

Harmogenanina subdetecta Helenoconcha leptalea Helenoconcha minutissima Helenoconcha polyodon Helenoconcha pseustes Helenoconcha sexdentata Helenodiscus

List of recently extinct invertebrates

List_of_recently_extinct_invertebrates

Charopidae

Family of gastropods

the subfamily Ranfurlyinae Alsolemia Climo, 1981 Damonita Climo, 1981 Helenoconcha Pilsbry, 1892 Huonodon Iredale, 1945 Loisthodon Climo, 1989 Microcharopa

Charopidae

List of critically endangered molluscs

depressa Aaadonta fuscozonata fuscozonata Charopa lafargei Ammonite snail (Helenoconcha relicta) Kondoconcha othnius Lauopa mbalavuana (possibly extinct) Maafu

List of critically endangered molluscs

List_of_critically_endangered_molluscs

Timeline of extinctions in the 19th century

T4641A11052989.en. Retrieved November 16, 2021. Mollusc Specialist Group (1996). "Helenoconcha leptalea". IUCN Red List of Threatened Species. 1996 e.T9765A13014709

Timeline of extinctions in the 19th century

Timeline_of_extinctions_in_the_19th_century

IUCN Red List critically endangered species (Animalia)

Pachnodus oxoniensis Rhachistia aldabrae Cerion nanus Charopa lafargei Helenoconcha relicta Kondoconcha othnius Lauopa mbalavuana Maafu thaumasius Mautodontha

IUCN Red List critically endangered species (Animalia)

IUCN_Red_List_critically_endangered_species_(Animalia)

List of critically endangered invertebrates

depressa Aaadonta fuscozonata fuscozonata Charopa lafargei Ammonite snail (Helenoconcha relicta) Kondoconcha othnius Lauopa mbalavuana (possibly extinct) Maafu

List of critically endangered invertebrates

List_of_critically_endangered_invertebrates