Lucas Castro, M. Barros, W. Santos, A. Bezerra, M. Hermann, R. Chagas
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引用次数: 0
摘要
脆弱蝶是一种双壳类软体动物，属于蛹科，具有挖掘未固结或固结基质的习惯。其估计分布表明该物种存在于东太平洋和西大西洋。本研究表明脆弱S. fragilis首次出现在亚马逊河沿岸(Urindeua River, Salinópolis, State of par)。此外，它还提供了巴西海岸物种生物地理的最新数据。在2013年至2016年期间，在1至4米的深度(通常与牡蛎表面有关)发现了309个脆弱链球菌标本。基于这些事件，加上全球生物多样性信息设施(GBIF)平台和speciesLink网络提供的记录，表明巴西海岸脆弱沙螺的生物地理范围正在扩大，从帕尔州延伸到南里奥格兰德州
FIRST OCCURRENCE OF Sphenia fragilis (H. Adams & A. Adams, 1854) (BIVALVIA: MYIDAE) ON THE AMAZON COAST
Sphenia fragilis is a bivalve mollusk, belonging to the family Myidae, which has a habit of digging unconsolidated or consolidated substrates. Its estimated distribution indicates the presence of the species in the eastern Pacific and western Atlantic oceans. The present study indicates the first occurrence of S. fragilis on the Amazon coast (Urindeua River, Salinópolis, State of Pará). Additionally, it presents updated data on the species biogeography on the Brazilian coast. Altogether, 309 specimens of S. fragilis were found between the years 2013 and 2016, at depths between 1 and 4 meters, always associated with the surface of oysters. Based on these occurrences, added to the records made available on the Global Biodiversity Information Facility - GBIF platforms and the speciesLink network, it indicates an expansion of the biogeography of S. fragilis on the Brazilian coast, extending between the state of Pará and Rio Grande do Sul
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