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Issue: Vol. 5689 No. 1: 2 Sept. 2025
Type: Article
Published: 2025-09-02
DOI: 10.11646/zootaxa.5689.1.5
Page range: 133-154
Abstract views: 104
PDF downloaded: 1

A new species of the Marphysa sanguinea complex (Annelida: Eunicidae) from Fujian, China

State Key Laboratory of Marine Environmental Science; College of Ocean and Earth Sciences; Xiamen University; Xiamen 361102; China
State Key Laboratory of Marine Environmental Science; College of Ocean and Earth Sciences; Xiamen University; Xiamen 361102; China
State Key Laboratory of Marine Environmental Science; College of Ocean and Earth Sciences; Xiamen University; Xiamen 361102; China
State Key Laboratory of Marine Environmental Science; College of Ocean and Earth Sciences; Xiamen University; Xiamen 361102; China
Key Laboratory of Marine Ecological Monitoring and Restoration Technologies; The Ministry of Natural Resources; Shanghai 201206; China
State Key Laboratory of Marine Environmental Science; College of Ocean and Earth Sciences; Xiamen University; Xiamen 361102; China; National Observation and Research Station for the Taiwan Strait Marine Ecosystem; Xiamen University; Zhangzhou; Fujian 361102; China; Dongshan Swire Marine Station; Xiamen University; Dongshan; Fujian 363400; China
State Key Laboratory of Marine Environmental Science; College of Ocean and Earth Sciences; Xiamen University; Xiamen 361102; China
State Key Laboratory of Marine Environmental Science; College of Ocean and Earth Sciences; Xiamen University; Xiamen 361102; China
State Key Laboratory of Marine Environmental Science; College of Ocean and Earth Sciences; Xiamen University; Xiamen 361102; China; Key Laboratory of Marine Ecological Monitoring and Restoration Technologies; The Ministry of Natural Resources; Shanghai 201206; China; National Observation and Research Station for the Taiwan Strait Marine Ecosystem; Xiamen University; Zhangzhou; Fujian 361102; China
Annelida Identification key Distribution genetic distance Morphology Phylogeny Polychaeta

Abstract

Marphysa fujianensis sp. nov., a new species collected from coastal waters of Fujian Province, China, was described based on both morphological and molecular analyses. The new species belongs to Group B of the Marphysa sanguinea complex, and it is characterized by having a deeply bilobed prostomium, bearing three types of pectinate chaetae (i.e., IS1, AN1, and AN2), 1–2 neuroaciculae, and only unidentate subacicular hooks. The partial COI gene sequences of the new species exhibit 4.00%–28.14% divergence from those of other sequenced Marphysa species in public databases. An updated key to Group B Marphysa species from East Asian waters is provided.

 

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How to Cite

Wang, B., Li, J., Wang, Y., Liang, C., Ji, Y., Sun, S., Guo, L., Zhu, H. & Wang, Z. (2025) A new species of the Marphysa sanguinea complex (Annelida: Eunicidae) from Fujian, China. Zootaxa, 5689 (1), 133–154. https://doi.org/10.11646/zootaxa.5689.1.5