Type Specimens of Hawaiian Land Snails in the Smithsonian Institution, National Museum of Natural History, with Lectotype Designations

Yeung, Norine W.; Cowie, Robert H.; Hayes, Kenneth A.; Strong, Ellen E.

doi:10.5479/si.1943-6696.647

Cited by 4 publications

(1 citation statement)

References 15 publications

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“…The USNM label accompanying the lectotype states that the "holotype" of P. peponum was collected by Brackenridge, suggesting that O'ahu may be the type locality, but the USNM ledger entry does not distinguish between the locality of the lectotype and paralectotype; the locality for both specimens is listed as "Sandwich Islands." Gould's lectotype is approximately 3.25 mm in height, which is within the margin of error for Gould's measurement of 3.4 mm (mistakenly reported as 2.5 mm by Yeung et al, 2017). Specimens matching the dimensions and description of Gould's lectotype were sequenced in this study (Figs.…”

Section: Bulletin Of the Society Of Systematic Biologymentioning

confidence: 55%

Tiny Snails With Large Distributions: Systematics and Delimitation of the Pacific Land Snails Pacificella and Lamellidea (Stylommatophora: Achatinellidae: Pacificellinae)

Goulding

Yeung

Slapcinsky

et al. 2023

BSSB

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The Pacificellinae are a group of small, high-spired land snails distributed on islands across the Pacific. Some species are endemic to particular island groups, but others have wide geographic distributions, several of which have been attributed to anthropogenic transport between islands before western contact. We used DNA sequence data (COI, 16S, ITS2, 28S) from recently collected and historical specimens to estimate a phylogeny of the Pacificellinae, with a focus on Hawaiian species. Phylogenetic analyses support recognizing Lamellidea and Pacificella as distinct genera and indicate that the genus group Tornatellinops should be regarded as a synonym of Lamellidea. The number of taxa defined by species delimitation analyses (ASAP, bPTP, mPTP) varies widely, with between 6 and 42 species estimated in the Hawaiian Islands. These candidate species hypotheses were evaluated in an integrative framework, including shell morphology, geography, and a multilocus phylogeny, to revise the taxonomy of Hawaiian pacificellines. Four Lamellidea species and two Pacificella species are recognized from the Hawaiian Islands, including two widespread species introduced to Hawaiʻi from the South Pacific. Lamellidea peponum in Hawaiʻi shows little genetic divergence from Polynesian specimens previously referred to L. oblonga, and the name L. oblonga is now regarded as a junior synonym. Lamellidea polygnampta is recognized here from across the Hawaiian Islands, L. cylindrica from the island of O‘ahu, and the lowland species, L. extincta, from the main Hawaiian Islands and the Northwestern Islands. The only Pacificella specimens found in Hawai‘i in modern surveys are more closely related to specimens of P. variabilis from Polynesia than to historical specimens of P. baldwini, indicating that the only Pacificella species now found in the main Hawaiian Islands appears to be introduced. Pacificellines have declined in abundance in Hawai‘i over the last century and the two species L. extincta and P. baldwini, formerly present across the Hawaiian Islands, are now either critically endangered or extinct.

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Section: Bulletin Of the Society Of Systematic Biologymentioning

confidence: 55%

Tiny Snails With Large Distributions: Systematics and Delimitation of the Pacific Land Snails Pacificella and Lamellidea (Stylommatophora: Achatinellidae: Pacificellinae)

Goulding

Yeung

Slapcinsky

et al. 2023

BSSB

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Overlooked but not forgotten: the first new extant species of Hawaiian land snail described in 60 years, Auriculella gagneorum sp. nov. (Achatinellidae, Auriculellinae)

Yeung¹,

Slapcinsky²,

Strong

et al. 2020

Self Cite

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Recent surveys of Oahu’s Waianae Mountains uncovered a small, previously undescribed species of Auriculella that is conchologically similar to the three members of the A. perpusilla group all of which are endemic to the Koolau Mountain Range. However, sequence data demonstrate that the perpusilla group is not monophyletic. Moreover, the new species is not closely related to A. perpusilla or A. perversa, the only extant members of the group, but instead is sister to A. tenella, a species from the high spired A. castanea group. A neotype is designated for A. auricula, the type species of Auriculella; all members of the conchologically similar perpusilla group are anatomically redescribed; and lectotypes designated for A. minuta, A. perversa, and A. tenella. The new species is described and compared to the type of the genus, members of the perpusilla group, and the genetically similar species A. tenella.

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Type Specimens of Hawaiian Land Snails in the Paleontological Research Institution in Ithaca, New York

Goulding

Strong

Hayes

et al. 2020

American Malacological Bulletin

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Type Specimens of Hawaiian Land Snails in the Smithsonian Institution, National Museum of Natural History, with Lectotype Designations

Abstract: Smithsonian Institution Scholarly Presss m i t h s o n i a n c o n t r i b u t i o n s t o z o o l o g y • n u m b e r 6 4 7

Cited by 4 publications

References 15 publications

Tiny Snails With Large Distributions: Systematics and Delimitation of the Pacific Land Snails Pacificella and Lamellidea (Stylommatophora: Achatinellidae: Pacificellinae)

Tiny Snails With Large Distributions: Systematics and Delimitation of the Pacific Land Snails Pacificella and Lamellidea (Stylommatophora: Achatinellidae: Pacificellinae)

Overlooked but not forgotten: the first new extant species of Hawaiian land snail described in 60 years, Auriculella gagneorum sp. nov. (Achatinellidae, Auriculellinae)

Type Specimens of Hawaiian Land Snails in the Paleontological Research Institution in Ithaca, New York

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