WoRMS taxon details

Atolla clara Gershwin & Gordon, 2014

1658130  (urn:lsid:marinespecies.org:taxname:1658130)

accepted
Species
marine, brackish, fresh, terrestrial
recent only
Gershwin, L., Lewis, M., Gowlett-Holmes, K., and Kloser, R. (2014). The Medusae. In: Pelagic Invertebrates of South-Eastern Australia: A field reference guide. Version 1.1. CSIRO Marine and Atmospheric Research: Hobart. 49p., available online at https://publications.csiro.au/rpr/pub?list=BRO&pid=csiro:EP1312312&expert=false&sb=RECENT&n=14&rpp=25&page=1&tr=6318&dr=all&dc4.browseYear=2013
page(s): 9 [details]  Available for editors  PDF available [request] 
Holotype  MONZ TePapa CO.001716, geounit New Zealand...  
Holotype MONZ TePapa CO.001716, geounit New Zealand Exclusive Economic Zone [details]
WoRMS (2024). Atolla clara Gershwin & Gordon, 2014. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1658130 on 2024-06-13
Date
action
by
2023-04-30 21:30:18Z
created

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original description Gershwin, L., Lewis, M., Gowlett-Holmes, K., and Kloser, R. (2014). The Medusae. In: Pelagic Invertebrates of South-Eastern Australia: A field reference guide. Version 1.1. CSIRO Marine and Atmospheric Research: Hobart. 49p., available online at https://publications.csiro.au/rpr/pub?list=BRO&pid=csiro:EP1312312&expert=false&sb=RECENT&n=14&rpp=25&page=1&tr=6318&dr=all&dc4.browseYear=2013
page(s): 9 [details]  Available for editors  PDF available [request] 
 
 Present  Present in aphia/obis/gbif/idigbio   Inaccurate  Introduced: alien  Containing type locality 
   

Holotype MONZ TePapa CO.001716, geounit New Zealand Exclusive Economic Zone [details]
From editor or global species database
Original description FIELD MORPHOLOGY: The body is shaped like a flying saucer, with a conspicuous circular furrow separating the sculpted outer margin from the broad shallow central dome. Typically 21-23 marginal tentacles, in alternation with as many statocysts. Stomach shallowly four-leaf clover-shaped at the base. Gonads oval, discoid. Radial septa broad, diverging somewhat centripetally, entirely covered by thin portion of circular muscle; thick portion of circular muscle entire, without radial furrows, equal in width to thin portion. Colouration quite transparent, with the body and stomach lacking pigmentation. Diameter to about 70mm.
MAY BE CONFUSED WITH: Atolla clara is most similar to A. wyvillei, in which the stomach is large and clover-shaped. However, A. clara lacks the pigmentation typical of other Atolla species, and is therefore immediately distinguishable.
NOTES: Atolla clara is most similar morphologically to A. wyvillei, but differs from the latter in its complete lack of pigmentation; its smooth central disk; lack of furrowing on the pedalia; discoid, oval gonads; and the radial septa completely covered by the coronal muscle.
This species has been found in New Zealand waters and should be expected in Tasman samples as well. [details]
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