Pectinariidae de Quatrefages 1866
Creators: name: Zhang, Jinghuai
name: Hutchings, Pat
name: Qiu, Jian-Wen
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Annelida
Polychaeta
Terebellida
Pectinariidae

description: Key to genera of Pectinariidae and species recorded from Chinese waters   1 Segments 8–21 with neurochaetae (uncini); anterior margin of cephalic veil with smooth acute triangular anterior end or several lappets............................................................................. Petta Malmgren, 1866   
- Segment 21 without neurochaetae (uncini); margins of cephalic veil with cirri..................................... 2  
 2 One longitudinal row of major teeth on uncini........................................ Cistenides Malmgren, 1866   
- More than one longitudinal row of major teeth on uncini...................................................... 3  
 3 Opercular rim with cirri or lappets............................................... 4 (Amphictene Savigny, 1822)   
- Opercular rim smooth................................................................................. 7  
 4 Scaphal hooks 5–8 pairs.................................................... Amphictene capensis (Pallas, 1766)   
- Scaphal hooks more than 10 pairs........................................................................ 5  
 5 Pair of dorso-lateral lobes with undulating margin on segment 3............ Amphictene alata Zhang, Zhang & Qiu, 2015   
- Pair of dorso-lateral lobes with smooth margin on segment 3................................................... 6  
 6 Lateral lobes of scaphe with three pairs of dorsal cirri below margins...................... Amphictene jianqingi n. sp.   
 - Lateral lobes of scaphe without dorsal cirri below margins......................... Amphictene japonica Nisson, 1928   
 7 Cephalic veil attached to lateral margin of operculum................................... 8 (Lagis Malmgren, 1866)   
 - Cephalic veil free from operculum................................................ 10 (Pectinaria Lamarck, 1818)   
8 Lateral and posterior margins of anal flap crenulated or with cirri............................................... 9  
 - Lateral and posterior margins of anal flap smooth with several lappets.............. Lagis neapolitana (Claparède, 1869)   
 9 Lateral and posterior margins of anal flap with numerous cirri (fringes); scaphe without club-shaped papillae near margins of lateral lobes.................................................................... Lagis bocki (Hessle, 1917)   
 - Lateral and posterior margins of anal flap crenulated; scaphe with 3 pairs of club-shaped papillae near margins of lateral lobes............................................................................ Lagis koreni Malmgren, 1866   
10 Segment 21 with notochaetae........................................................................... 11  
- Segment 21 without notochaetae........................................................................ 14  
11 Anal flap with anal cirrus.............................................................................. 12  
- Anal flap without anal cirrus........................................................................... 13  
 12 Scaphal hooks 4–5 pairs; 60–70 cirri on the margin of cephalic veil.................. Pectinaria aegyptia (Savigny, 1822)   
 - Scaphal hooks 6–8 pairs; 16–29 cirri on the margin of cephalic veil................. Pectinaria antipoda Schmarda, 1861   
 13 Anal flap with crenulated magin; 3–4 longitudinal rows of major teeth on uncini....... Pectinaria conchilega Grube, 1878   
 - Anal flap withou smooth magin; two longitudinal rows of major teeth on uncini........ Pectinaria papillosa Caullery, 1944   
14 Segment 20 with neurochaetae.......................................................................... 15  
- Segment 20 without neurochaetae....................................................................... 18  
 15 Segment 2 with a postero-dorsal lobe...................................... Pectinaria torquata Zhang & Qiu, 2017   
- Segment 2 without a postero-dorsal lobe.................................................................. 16  
 16 Mid-ventral lobe with 4-6 continuous lappets on segment 4.................................. Pectinaria lizhei n. sp.   
- Mid-ventral lobe smooth, only with pair of small papillae on corners of mid-ventral lobe on segment 4................ 17  
 17 Mid-ventral lobe narrow about 1/2 width of ventro-lateral lobes on segment 4................... Pectinaria xiukaii n. sp.   
 - Mid-ventral lobe broad almost same width of ventro-lateral lobes on segment 4............... Pectinaria dayaensis n. sp.   
 18 Branchiae absent on segments 3–4....................................... Pectinaria crenulatus (Sun & Qiu, 2012)   
 - Branchiae present on segments 3–4.... Pectinaria plurihamus (Choi, Jung & Yoon, 2017) or Pectinaria dimai Zachs, 1933
description: Published as part of Zhang, Jinghuai, Hutchings, Pat & Qiu, Jian-Wen, 2022, Pectinariidae (Annelida, Polychaeta) from the coastal waters of China, with description of new species and new records, pp. 1-74 in Zootaxa 5151 (1) on pages 70-71, DOI: 10.11646/zootaxa.5151.1.1, http://zenodo.org/record/6630734