Hemioniscus Buchholz 1866
Hemioniscus Buchholz, 1866 (Fig 4K) = Leponiscus Giard, 1887 n. syn. Diagnosis: Cryptoniscus larva/male body tear-drop shaped with prominent cuticular striations. Head wider than long, oral cone directed anteriorly; eyes present. Antennule article 1 with 7 bluntly rounded teeth. Coxal plates with or...
| Main Authors: | , |
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| Format: | Other/Unknown Material |
| Language: | unknown |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://zenodo.org/record/7781624 https://doi.org/10.5281/zenodo.7781624 |
| Summary: | Hemioniscus Buchholz, 1866 (Fig 4K) = Leponiscus Giard, 1887 n. syn. Diagnosis: Cryptoniscus larva/male body tear-drop shaped with prominent cuticular striations. Head wider than long, oral cone directed anteriorly; eyes present. Antennule article 1 with 7 bluntly rounded teeth. Coxal plates with or without teeth. Pereopods 1 and 2 gnathopodal, 3–7 ambulatory; propodi of 3–5 quadrate distally, 6 and 7 tapering distally. Pleotelson with smooth evenly rounded distal margin. Mature females with anterior segments unmodified from cryptoniscus larval form; posterior segments fused into enlarged marsupium. Included species and subspecies: Hemioniscus anatifae (Giard, 1887) n. comb.; H. balani balani Buchholz, 1866 (type species); H. balani japonica Ogawa & Matsuzaki, 1985; H. pagurophilus Williams & Boyko, 2006. Distributions: Hemioniscus anatifae n. comb.: Roscoff, Concarneau, and Wimereaux, France, intertidal (Giard 1887). Hemioniscus balani balani: Northern hemisphere: East Atlantic: (River Gironde, France to northern Norway, United Kingdom (Vader 1983; Arnott 2001); western Atlantic: Halifax, Nova Scotia, Canada (Crisp 1968); east Pacific: Alaska to Baja California Norte, Mexico (Cornwall 1955; Campos-González & Campoy-Favela 1987; Blower & Roughgarden 1989). Intertidal at all localities. Hemioniscus balani japonica: Futaba County, Fukushima Prefecture, Japan, intertidal (Ogawa & Matsuzaki 1985). Hemioniscus pagurophilus: Philippines, subtidal (<5 m) (Williams & Boyko 2006). Hosts: Cirripedia: Acrothoracica: Tomlinsonia mclaughlinae Williams & Boyko, 2006 (H. pagurophilus, Philippines) (Williams & Boyko 2006). Cirripedia: Thoracica: Austrominius modestus (Darwin, 1854) (H. balani balani, Norway) (Vader 1968); Balanus glandula Darwin, 1854 (H. balani balani, east Pacific) (Blower & Roughgarden 1989); Chirona hameri (Ascanius, 1767) (H. balani balani, Irish Sea) (Crisp 1968); Chthamalus challengeri Hoek, 1883 (H. balani japonica, Japan) (Ogawa & Matsuzaki 1985); Chthamalus ... |
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