Ancistrosyllis McIntosh 1878

• Main Authors: Plathong, Sakanan, Plathong, Jintana, Dean, Harlan K.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2022
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Phyllodocida; Pilargidae; Ancistrosyllis; Arctic Ocean; Greenland
• Online Access: https://doi.org/10.5281/zenodo.6499051; http://treatment.plazi.org/id/9F6887892C669C15FF462FA1FA6CAD67

Key to the species of Group II Ancistrosyllis (modified after Plathong, Dean & Plathong 2021) 1. Eyespots present. 2 - Eyespots absent. 3 2. First notopodial hooks from chaetiger 3; ventral cirri from chaetiger 3. A. hartmanae Pettibone, 1966 Chesapeake Bay-Gulf of Mexico, Western Atlantic - First notopodial hooks from chaetiger 5, ventral cirri from chaetiger 1. A. cingulata Korschelt, 1893 Adriatic Sea 3. First notopodial hooks from chaetiger 3. 4 - First notopodial hooks from other chaetigers. 7 4. Neurochaetae, single type, long non-limbate capillary chaetae. 5 - Neurochaetae of 2 or more 2 types. 6 5. Ventral cirri from chaetiger 1; neurochaetae bifid tip; body papillae brown. A. eidimtaiteae sp. nov. Gulf of Thailand, Western Pacific - Ventral cirri from chaetiger 2; neurochaetae, bidentate tip; body whitish. A. fioronii Fiege & Böggemann, 1999 North Sea, Atlantic Ocean 6. Ventral cirri from chaetiger 1; neurochaetae bifid tips. A. nakkaritae Plathong, Dean & Plathong, 2021 Gulf of Thailand, Western Pacific - Ventral cirri from chaetiger 3; neurochaetae unidentate tips. A. kornkanokae Plathong, Dean & Plathong, 2021 Gulf of Thailand, Western Pacific 7. Ventral cirri from chaetiger 1. 8 - Ventral cirri from chaetiger 3, first notopodial hooks from chaetiger 6. A. jonesi Pettibone, 1966 Maryland, Atlantic Ocean 8. First notopodial hooks from chaetiger 4–6. 9 - First notopodial hooks from chaetiger 13. A. breviceps Hartman, 1963 Southern California, Pacific Ocean 9. Two types of neurochaetae. 10 - Three types of neurochaetae. A. suksani sp. nov. Gulf of Thailand, Western Pacific 10. First dorsal cirri length as those of chaetiger 2, first notopodial hooks from chaetiger 4–6. A. groenlandica McIntosh, 1878 off Greenland, Arctic Ocean - First dorsal cirri slightly longer than following ones; notopodial hooks begin at chaetiger 6. A. commensalis Gardiner, 1976 North Carolina, Atlantic Ocean Published as part of Plathong, Sakanan, Plathong, Jintana & Dean, Harlan K., ...