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2711 |
Harms, J. 1993 Check list of species (algae, invertebrates and vertebrates) found in the vicinity of the island of Helgoland (North Sea, German Bight) - a review of recent records. Helgoländer Meeresunters 47:1-34. |
1993 |
Ophryotrocha gracilis |
21 |
|
833 |
Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. Brooks/Cole, Thomson Learning learning, Inc. 990 p. |
2004 |
Ophryotrocha gracilis |
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|
19 |
Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum 2005 Species 2000 & ITIS Catalogue of Life: 2005 Annual Checklist. CD-ROM; Species 2000: Reading, U.K. |
2005 |
Ophryotrocha gracilis |
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|
96235 |
Garilao, N. 2014 Baltic Sea species list. Personal communication, 25 April 2014. Provided excel file. |
2014 |
Ophryotrocha gracilis |
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|
3477 |
MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php |
2050 |
Ophryotrocha gracilis |
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