Namalycastis,

Conde-Vela, Víctor Manuel, 2013, Namalycastis occulta n. sp. and a new record of N. borealis (Polychaeta: Nereididae: Namanereidinae) from the Northwestern Caribbean Sea, Zootaxa 3721 (5), pp. 475-487: 485

publication ID

http://dx.doi.org/10.11646/zootaxa.3721.5.3

publication LSID

lsid:zoobank.org:pub:BFD32622-1040-4005-A7C3-82DE8C0C9740

persistent identifier

http://treatment.plazi.org/id/F6469146-AC3B-EE56-67F1-CDF33ED4FB51

treatment provided by

Plazi

scientific name

Namalycastis
status

 

Key to Namalycastis  species from the Grand Caribbean region

(Modified from Glasby, 1999)

1. Eyes present.......................................................................................... 2

- Eyes absent............................................................................. N. occulta  n. sp.

2 (1). Heterogomph falcigers present in all parapodia in sub- and supra-preacicular fascicle; notochaetae generally present....... 3

- Heterogomph falcigers in anterior parapodia, replaced by heterogomph spinigers posteriorly in sub- and supra-preacicular fas- cicle............................................................................................... 4

3 (2). Sub-neuracicular spinigers in mid-posterior parapodia with blades having short, fine serrations proximally............................................................................................... N. borealis Glasby, 1999  1

- Sub-neuracicular spinigers in mid-posterior parapodia with blades having coarse serrations proximally.............................................................................. N. abiuma  (Müller & Grube in Grube, 1872) group 2

4 (2). Notosetae absent; small species with mature individuals up to 90 chaetigers................. N. intermedia Glasby, 1999  3

- Notosetae present as sesquigomph spinigers; large species with mature individuals usually exceeding 100 chaetigers..................................................................................... N. macroplatis Glasby, 1999  4