Situla

Amon, Diva J, Ziegler, Amanda F, Drazen, Jeffrey C, Grischenko, Andrei V, Leitner, Astrid B, Lindsay, Dhugal J, Voight, Janet R, Wicksten, Mary K, Young, Craig M & Smith, Craig R, 2017, Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca, Biodiversity Data Journal 5, pp. 14598-14598 : 14598

cf. Situla morphospecies

Materials

Type status: Other material. Occurrence: recordedBy: Diva J. Amon, Amanda F. Ziegler; individualCount: 1; lifeStage: Adult; behavior: On nodule; occurrenceStatus: present; preparations: Imaged only; Taxon: taxonConceptID: cf. Situla morphospecies; scientificName: Situla sp.; kingdom: Animalia; phylum: Chordata; class: Ascidiacea; order: Phlebobranchia; family: Octacnemidae; genus: Situla; taxonRank: genus; scientificNameAuthorship: Vinogradova, 1969; Location: waterBody: Pacific Ocean; stateProvince: Clarion-Clipperton Zone; locality: UK Seabed Resources Ltd exploration contract area (UK-1) ; verbatimLocality: UK-1 Stratum A; maximumDepthInMeters: 4057; locationRemarks: RV Melville Cruise MV1313; decimalLatitude: 13.9671; decimalLongitude: -116.5587; geodeticDatum: WGS84; coordinateUncertaintyInMeters: 25; Identification: identifiedBy: Craig Young, Diva J. Amon, Amanda F. Ziegler; dateIdentified: 2014; identificationRemarks: Identified only from imagery; identificationQualifier: cf.; Event: samplingProtocol: Remotely Operated Vehicle; eventDate: 2013-10-16; eventTime: 0:14; habitat: Abyssal polymetallic-nodule field; fieldNumber: Dive 3 (RV03); Record Level: language: en; institutionCode: UHM; datasetName: ABYSSLINE; basisOfRecord: HumanObservation Type status: Other material. Occurrence: recordedBy: Diva J. Amon, Amanda F. Ziegler; individualCount: 1; lifeStage: Adult; behavior: On nodule; occurrenceStatus: present; preparations: Imaged only; Taxon: taxonConceptID: cf. Situla morphospecies; scientificName: Situla sp.; kingdom: Animalia; phylum: Chordata; class: Ascidiacea; order: Phlebobranchia; family: Octacnemidae; genus: Situla; taxonRank: genus; scientificNameAuthorship: Vinogradova, 1969; Location: waterBody: Pacific Ocean; stateProvince: Clarion-Clipperton Zone; locality: UK Seabed Resources Ltd exploration contract area (UK-1) ; verbatimLocality: UK-1 Stratum B; maximumDepthInMeters: 4215; locationRemarks: RV Melville Cruise MV1313; decimalLatitude: 12.5896; decimalLongitude: -116.7089; geodeticDatum: WGS84; coordinateUncertaintyInMeters: 25; Identification: identifiedBy: Craig Young, Diva J. Amon, Amanda F. Ziegler; dateIdentified: 2015; identificationRemarks: Identified only from imagery; identificationQualifier: cf.; Event: samplingProtocol: Autonomous Underwater Vehicle; eventDate: 2015-03-09; eventTime: 14:31; habitat: Abyssal polymetallic-nodule field; fieldNumber: Dive 6 (AV06); Record Level: language: en; institutionCode: UHM; datasetName: ABYSSLINE; basisOfRecord: HumanObservation Type status: Other material. Occurrence: recordedBy: Diva J. Amon, Amanda F. Ziegler; individualCount: 1; lifeStage: Adult; behavior: On nodule; occurrenceStatus: present; preparations: Imaged only; Taxon: taxonConceptID: cf. Situla morphospecies; scientificName: Situla sp.; kingdom: Animalia; phylum: Chordata; class: Ascidiacea; order: Phlebobranchia; family: Octacnemidae; genus: Situla; taxonRank: genus; scientificNameAuthorship: Vinogradova, 1969; Location: waterBody: Pacific Ocean; stateProvince: Clarion-Clipperton Zone; locality: UK Seabed Resources Ltd exploration contract area (UK-1) ; verbatimLocality: UK-1 Stratum A; maximumDepthInMeters: 4097; locationRemarks: RV Melville Cruise MV1313; decimalLatitude: 13.8527; decimalLongitude: -116.6444; geodeticDatum: WGS84; coordinateUncertaintyInMeters: 25; Identification: identifiedBy: Craig Young, Diva J. Amon, Amanda F. Ziegler; dateIdentified: 2014; identificationRemarks: Identified only from imagery; identificationQualifier: cf.; Event: samplingProtocol: Remotely Operated Vehicle; eventDate: 2013-10-10; eventTime: 17:05; habitat: Abyssal polymetallic-nodule field; fieldNumber: Dive 1 (RV01); Record Level: language: en; institutionCode: UHM; datasetName: ABYSSLINE; basisOfRecord: HumanObservation

Notes

Large transparent ascidian most often attached to the side of a rock by means of a short but stout tunic stalk. In contrast to Dicopia or Megadicopia , this species is somewhat elongated laterally. The excurrent siphon is smaller in diameter than that of Dicopia .

Fig. 30