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MarBEF Data System |
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WoRMS taxon details
original description
Eschscholtz, F. (1829). System der Acalephen. Eine ausführliche Beschreibung aller medusenartigen Strahltiere. Ferdinand Dümmler, Berlin, pp. 1-190, 116 pls., available online at https://www.biodiversitylibrary.org/page/10665047
page(s): 103 [details]
context source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
basis of record
van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 112-120 (look up in IMIS) [details]
redescription
Petersen K.W. (1962). A discussion of the genus Tima (Leptomedusae, Hydrozoa). <em>Videnskabelige meddelelser fra Dansk naturhistorik Forening.</em> 124: 101-113. [details] Available for editors  [request]
identification resource
Calder, D. R.; Crow, G. L.; Ikeda, S.; Adachi, A.; Yamamoto, G.; Harrington, A.; Holland, B. S. (2021). Tima nigroannulata (Cnidaria: Hydrozoa: Eirenidae), a New Species of Hydrozoan from Japan. <em>Zoological Science.</em> 38(4)., available online at https://doi.org/10.2108/zs210011
note: Key to species [details]
 Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Key to species
1A Umbrella distinctly flatter than a hemisphere............................................ 2
1B Umbrella typically hemispherical or higher .................................................3
2A Umbrella much flattened, resembling a watch glass; tentacles as
many as 250-300, gastric peduncle short............................T. saghalinensis
2B Umbrella less flattened but not hemispherical; tentacles 60-80,
gastric peduncle relatively long...................................................T. flavilabris
3A Tentacles normally ca. 16; umbrella diameter 50-65 mm; warts ca.
12 between tentacles; marginal vesicles ca. six between tentacles
....................................................................................................... T. bairdii
3B Tentacle number many more than 16.........................................................4
4A Tentacles ca. 32, sometimes up to 40; marginal warts usually 96; statocysts
ca. 128; umbrella diameter 63-100 mm; without ring of black pigment
around umbrella margin...............................................................T. formosa
4B Tentacles 30-53; marginal warts 40-115; statocysts 71-141; umbrella
diameter at least 20-46 mm; margin with ring of black pigment particles
.............................................................................................T. nigroannulata
[details]
Diagnosis Eirenidae medusae with distinct peduncle; without cirri; with marginal warts; gonads along subumbrellar part and peduncular part of radial canals; with more than 8 statocysts. Hydroid inadequately known, “Campanopsis” type, stolonal, hydranths with pedicels, hydrotheca reduced to filym basal collar. [details]
From editor or global species database
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