WoRMS taxon details

Checked: verified by a taxonomic editorStyraconyx craticulus (Pollock, 1983)

136707  (urn:lsid:marinespecies.org:taxname:136707)

accepted
Species
marine
(ofChecked: verified by a taxonomic editorBathyechiniscus craticulus Pollock, 1983) Pollock, L. W. (1983). A closer look at some marine Heterotardigrada, II: The morphology and taxonomy of Bathyechiniscus, with a description of B. craticulus n. sp. from the Caribbean. Bulletin of Marine Science. 33 (1): 109–117. [details]  Available for editors  PDF available [request] 
Checked: verified by a taxonomic editorHolotype  USNM 68683, locality Virgin Islands...  
Checked: verified by a taxonomic editorHolotype USNM 68683, locality Virgin Islands (Smuggler's cove, east end of St. Croix) [details]
Checked: verified by a taxonomic editorDistribution United States Virgin Islands  
Checked: verified by a taxonomic editortype locality contained in United States Virgin Islands [details]
Trusted: edited by a thematic editorDistribution circum-(sub)tropical  
Trusted: edited by a thematic editorDistribution circum-(sub)tropical [details]

Trusted: edited by a thematic editorDistribution Styraconyx craticulus belongs to the sargassi...  
Trusted: edited by a thematic editorDistribution Styraconyx craticulus belongs to the sargassi group and has been mainly reported from tropical and
subtropical regions (see Kristensen & Higgins 1984a); however, it has also been found in the southern regions
of the temperate zone. Primarily an intertidal species, it has also been reported from subtidal localities in the
Mediterranean region. Reports include a range of substrate types, e.g. sand and algae in the Mediterranean and
Caribbean regions, and algae on barnacles in the Australian regions (see Kristensen & Higgins 1984a). Such
wide geographic distribution and habitats may suggest that specimens from different regions belong to
genetically different but morphologically similar taxa. For example, there has previously been some confusion
in the distinction between the genera Bathyechiniscus and Styraconyx. These two genera were partially
synonymised by Pollock (1983), but later the confusion was explained by Kristensen & Higgins (1984a) and
now the two genera, Bathyechiniscus and Styraconyx, although closely related are clearly separate taxa (for a
more detailed discussion see Kristensen & Higgins 1984a). Moreover, Kristensen & Higgins (1984a) divided
species from the genus Styraconyx into two different groups, sargassi and hallasi, based on morphology of
claw hooks. [details]
Guidetti, R.; van der Land, J. (2017). Styraconyx craticulus (Pollock, 1983). In: Guidetti, R.; McInnes, J. S.; Kristensen, M. R. (2017). World list of Tardigrada. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=136707 on 2017-12-18

Date
action
by
2004-12-21 15:54:05Z
created
2017-02-13 07:40:11Z
changed

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original description  (ofChecked: verified by a taxonomic editorBathyechiniscus craticulus Pollock, 1983) Pollock, L. W. (1983). A closer look at some marine Heterotardigrada, II: The morphology and taxonomy of Bathyechiniscus, with a description of B. craticulus n. sp. from the Caribbean. Bulletin of Marine Science. 33 (1): 109–117. [details]  Available for editors  PDF available [request] 

basis of record van der Land, J. (2001). Tardigrada, in: Costello, M.J. et al. (Ed.) (2001). 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, 50: pp. 236 (look up in IMIS[details]   

additional source Degma, P.; Bertolani, R.; Guidetti, R. (2009-2016). Actual checklist of Tardigrada species. (Assessed 10/02/2017) pp. 46., available online at http://www.tardigrada.modena.unimo.it/miscellanea/Actual%20checklist%20of%20Tardigrada.pdf [details]  OpenAccess publication 

basis of record  (ofChecked: verified by a taxonomic editorBathyechiniscus craticulus Pollock, 1983) van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details]   
 
 Present  Inaccurate  Introduced: alien 
 

Checked: verified by a taxonomic editorHolotype USNM 68683, locality Virgin Islands (Smuggler's cove, east end of St. Croix) [details]
Checked: verified by a taxonomic editorParatype USNM 68684-68686, locality Virgin Islands (Smuggler's cove, east end of St. Croix) [details]
Checked: verified by a taxonomic editorParatype , locality Virgin Islands (Smuggler's cove, east end of St. Croix) [details]
From regional or thematic species database
Trusted: edited by a thematic editorDistribution circum-(sub)tropical [details]

Trusted: edited by a thematic editorDistribution Styraconyx craticulus belongs to the sargassi group and has been mainly reported from tropical and
subtropical regions (see Kristensen & Higgins 1984a); however, it has also been found in the southern regions
of the temperate zone. Primarily an intertidal species, it has also been reported from subtidal localities in the
Mediterranean region. Reports include a range of substrate types, e.g. sand and algae in the Mediterranean and
Caribbean regions, and algae on barnacles in the Australian regions (see Kristensen & Higgins 1984a). Such
wide geographic distribution and habitats may suggest that specimens from different regions belong to
genetically different but morphologically similar taxa. For example, there has previously been some confusion
in the distinction between the genera Bathyechiniscus and Styraconyx. These two genera were partially
synonymised by Pollock (1983), but later the confusion was explained by Kristensen & Higgins (1984a) and
now the two genera, Bathyechiniscus and Styraconyx, although closely related are clearly separate taxa (for a
more detailed discussion see Kristensen & Higgins 1984a). Moreover, Kristensen & Higgins (1984a) divided
species from the genus Styraconyx into two different groups, sargassi and hallasi, based on morphology of
claw hooks. [details]