Diplocirrus Haase 1915
Creators
Description
Key to species of Diplocirrus Haase, 1915, restricted
(modified from Jimi et al. 2017)
1 Body papillae abundant, short, giving a velvety appearance.................................................... 2
- Body papillae scarce, long, tunic looks bare............................................ Diplocirrus sp. Sri Lanka
2(1) Body without sand particles............................................................................. 3
- Body with sand particles.............................................................................. 11
3(2) Ventrolateral gonopores present in some anterior chaetigers.................................................... 4
- Ventrolateral gonopores absent........................................................................... 9
4(3) First chaetiger with long chaetae, about half as long as body width; caruncle posteriorly expanded.......................................................................................... D. erythroporus Gallardo, 1968 Vietnam
- Anterior end with short chaetae, 1/3–1/5 as long as body width; caruncle posteriorly tapered......................... 5
5(4) Branchiae with lamellae............................................................................... 6
- Branchia without lamellae.............................................................................. 7
6(5) Median chaetigers with neurochaetae tapered, 22–25 articles, and tip delicately falcate; cirriform branchiae with lamellae along basal 1/4–1/5 of each filament............................................ D. branchiatus (Rullier, 1965) Australia
- Median chaetigers with neurochaetae barely tapered, 8–11 articles, and tip markedly falcate; cirriform branchiae with lamellae along basal 1/3–1/2 of each filament.................................. D. nicolaji (Buzhinskaja, 1994) Russia, Japan
7(5) Dorsal branchiae as long as ventral ones; caruncle shorter than palp scar... D. mamoi Jimi, Fujiwara & Kajihara, 2017 Japan
- Dorsal branchiae shorter than ventral ones; caruncle longer than palp scar............................................................................................... D. asamushiensis Jimi, Fujiwara & Kajihara, 2017 Japan
8(3) Papillae digitate, longer than wide; chaetiger 1 with notochaetae fragile, if complete, as long as body width.............. 9
- Papillae hemispherical, about as long as wide; cephalic cage chaetae shorter than body width....................... 10
9(8) Median chaetigers with neurochaetae with articles slightly longer than wide; body brownish................................................................................................. D. capensis Day, 1961 South Africa
– Median chaetigers with neurochaetae with articles 4–6 times longer than wide; body yellowish................................................................................... D. imajimai Jimi, Fujiwara & Kajihara, 2017 Japan
10(8) Median chaetigers with 5–6 neurochaetae, shorter than notochaetae, with articles 2.0–2.5 times longer than wide.................................................... D. kudenovi Salazar-Vallejo & Buzhinskaja, 2011 Eastern Pacific Ocean
- Median chaetigers with 2–3 neurochaetae, about as long as notochaetae, with articles 7–8 times longer than wide........................................................... D. stopbowitzi Darbyshire & Mackie, 2009 Southern Irish Sea
11(2) Anterior chaetigers barely wider than following ones........................................................ 12
- Anterior chaetigers swollen, much wider than following ones................................................. 13
12(11) Some lateral papillae twice as long as in chaetal lobes................. D. rugosus Teixeira, Rizzo & Santos, 2015 Brazil
- Lateral papillae shorter.............................................................. Diplocirrus sp. Morocco
13(11) Lateral papillae 1/25–1/5 as long as longest notochaetae..................................................... 14
- Lateral papillae 1/3–5/6 as long as longest notochaetae...................................................... 18
14(13) Ventrolateral gonopores present........................................................................ 15
- Ventrolateral gonopores absent......................................................................... 16
15(14) Cephalic cage well developed (2/3 as long as body width)............. D. ohtsukai Jimi, Fujiwara & Kajihara, 2017 Japan
- Cephalic cage poorly developed (1/4 as long as body width)....... D. salazarvallejoi Teixeira, Rizzo & Santos, 2015 Brazil
16(14) Cephalic cage well developed (as long as body width)....................................................... 17
- Cephalic cage poorly developed (1/3 as long as body width)......... D. tohokuensis Jimi, Fujiwara & Kajihara, 2017 Japan
17(16) Neurochaetal rounded projection present in each article............ D. toyoshioae Jimi, Fujiwara & Kajihara, 2017 Japan
- Neurochaetal rounded projection absent..................................... D. glaucus (Malmgren, 1867) Norway
18(13) Lateral papillae in chaetal lobe short (1/3 as long as notochaeta); anterior part (roughly corresponding to chaetigers 1–3) not pigmented............................................... D. incognitus Darbyshire & Mackie, 2009 South Africa
- Lateral papillae in chaetal lobe long (5/6 as long as notochaeta); anterior part (chaetigers 1–3) with rusty pigments.................................................................... D. seisuiae Jimi, Fujiwara & Kajihara, 2017 Japan
Notes
Files
Files
(6.6 kB)
Name | Size | Download all |
---|---|---|
md5:210e19c4dd0e6565a92367f45cf046e9
|
6.6 kB | Download |
System files
(31.2 kB)
Name | Size | Download all |
---|---|---|
md5:1a38fb6b74e3673fbbb0f735be03a6fb
|
31.2 kB | Download |
Linked records
Additional details
Identifiers
Biodiversity
- Family
- Flabelligeridae
- Genus
- Diplocirrus
- Kingdom
- Animalia
- Order
- Terebellida
- Phylum
- Annelida
- Scientific name authorship
- Haase
- Taxon rank
- genus
- Taxonomic concept label
- Diplocirrus Haase, 1915 sec. Salazar-Vallejo, 2020
References
- Haase, P. (1915) Boreale und arktisch Chloraemiden. Wissenschaftliche Meeresuntersuchungen der Kommission zur Wissenschaftlichen Untersuchung der Deutschen Meere, Neue Folge, Kiel, 17, 169 - 228.
- Jimi, N., Fujiwara, Y. & Kajihara, H. (2017) Remarkable biodiversity of flabelligerids in Japan: seven new species of Diplocirrus (Annelida: Flabelligeridae) from Japanese waters. Zootaxa, 4337 (3), 344 - 360. https: // doi. org / 10.11646 / zootaxa. 4337.3.2
- Gallardo, V. A. (1968 (1967 )) Polychaeta from the Bay of Nha Trang, South Viet Nam. Scientific Results of Marine Investigations of the South China Sea and the Gulf of Thailand, 1959 - 1961. Scripps Institution of Oceanography NAGA Report, 4, 35 - 279.
- Rullier, F. (1965) Contribution a la faune des annelides polychetes de l'Australie. University of Queensland Papers, Department of Zoology, 2 (9), 163 - 201.
- Buzhinskaja, G. N. (1994 (1993 )) Diversibranchius nicolaji gen. et sp. n. from the Sea of Japan with unique branchial structure (Polychaeta: Flabelligeridae). Zoosystematica Rossica, 2, 229 - 231.
- Day, J. H. (1961) The Polychaeta Fauna of South Africa, 6. Sedentary species dredged off Cape coast with a few new records from the shore. Zoological Journal of the Linnean Society, London, 44, 463 - 560. https: // doi. org / 10.1111 / j. 1096 - 3642.1961. tb 01623. x
- Salazar-Vallejo, S. I. & Buzhinskaja, G. (2011) Revision of Diplocirrus Haase, 1915, including Bradiella Rullier, 1965, and Diversibranchus Buzhinskaja, 1993 (Polychaeta, Flabelligeridae). ZooKeys, 106, 1 - 45. https: // doi. org / 10.3897 / zookeys. 106.795
- Darbyshire, T. & Mackie, A. S. Y. (2009) Two new species of Diplocirrus (Polychaeta: Flabelligeridae) from the southern Irish Sea and South Africa. Zoosymposia, 2, 91 - 103. https: // doi. org / 10.11646 / zoosymposia. 2.1.9
- Teixeira, J. H., Rizzo, A. E. & Santos, C. S. G. (2015) Three new species of Diplocirrus Haase, 1915 (Polychaeta: Flabelligeridae) from Campos Basin in SE Brazil. Zootaxa, 4027, 287 - 295. https: // doi. org / 10.11646 / zootaxa. 4027.2.8
- Malmgren, A. J. (1867) Annulata Polychaeta: Spetsbergiae, Groenlandiae, Islandiae et Scandinaviae. Hactenus Cognita. Kongelige Vetenskaps-Akademiens Forhandlingar, 1867 (4), 127 - 235, pls. 2 - 15. https: // doi. org / 10.5962 / bhl. title. 13358