Hikidea svalbardensis Nakrem 2017, sp. nov.
Hikidea svalbardensis sp. nov. (Fig. 3A–C) 2015 Cantrainea sp.; Hryniewicz et al. 2015a, table 1. Diagnosis. Shell turbiniform, with maximum convexity in the lower part of lateral flank. Concave ramp wide but weakly expressed at the adapical suture. Surface smooth apart from some blunt spirals or sh...
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ftzenodo:oai:zenodo.org:6009551 2023-05-15T18:15:05+02:00 Hikidea svalbardensis Nakrem 2017, sp. nov. Nakrem, Hans Arne 2017-10-06 https://zenodo.org/record/6009551 https://doi.org/10.5281/zenodo.6009551 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/B5525419D024FFF3FF7BFBD3FD53F91F doi:10.11646/zootaxa.4329.4.3 http://zenodo.org/record/1003014 http://publication.plazi.org/id/496B2C61D020FFF7FFECFFDFFF9BFFD5 doi:10.5281/zenodo.1003018 http://zoobank.org/A0552Ffb-Fe2B-4Fad-809A-A1274Ac86Bcc doi:10.5281/zenodo.6009550 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6009551 https://doi.org/10.5281/zenodo.6009551 oai:zenodo.org:6009551 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode Gastropods from the Late Jurassic - Early Cretaceous seep deposits in Spitsbergen, Svalbard, pp. 351-374 in Zootaxa 4329(4) 355 Biodiversity Taxonomy Animalia Mollusca Gastropoda Archaeogastropoda Colloniidae Hikidea Hikidea svalbardensis info:eu-repo/semantics/other publication-taxonomictreatment 2017 ftzenodo https://doi.org/10.5281/zenodo.600955110.11646/zootaxa.4329.4.310.5281/zenodo.100301810.5281/zenodo.6009550 2023-03-11T00:03:50Z Hikidea svalbardensis sp. nov. (Fig. 3A–C) 2015 Cantrainea sp.; Hryniewicz et al. 2015a, table 1. Diagnosis. Shell turbiniform, with maximum convexity in the lower part of lateral flank. Concave ramp wide but weakly expressed at the adapical suture. Surface smooth apart from some blunt spirals or shallow spiral bands and strongly prosocline growth lines. Holotype: PMO 217.574, H = 5.4 mm, W = 5.1 mm. Type locality and age: Seep #9, Sassenfjorden, Svalbard; late Berriasian, Early Cretaceous. Other material: Three additional specimens from the type locality. Description. Protoconch unknown. Shell turbiniform with three whorls preserved, convex with weak angulation in the abapical part of the flank. Weakly expressed wide ramp at the adapical suture. Adult shell surface smooth apart from some weak spirals and/or blunt spiral bands in the abapical part of the flank. Growth lines strongly prosocline. Aperture, umbilicus, inner and outer lip not preserved. Remarks. Hikidea svalbardensis differs from other species of the genus (H. osoensis, H. omagariensis and H. yasukawensis) by attaining the maximum convexity in the lower portion of the flank (vs. middle portion in the other species) which is ornamented by blunt, band-like spirals. Distribution. Type locality only. Etymology. After the Svalbard Archipelago. Published as part of Nakrem, Hans Arne, 2017, Gastropods from the Late Jurassic - Early Cretaceous seep deposits in Spitsbergen, Svalbard, pp. 351-374 in Zootaxa 4329 (4) on page 355, DOI:10.11646/zootaxa.4329.4.3, http://zenodo.org/record/1003014 Other/Unknown Material Sassenfjord* Sassenfjorden Svalbard Spitsbergen Zenodo Sassenfjorden ENVELOPE(16.217,16.217,78.412,78.412) Svalbard Svalbard Archipelago |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Mollusca Gastropoda Archaeogastropoda Colloniidae Hikidea Hikidea svalbardensis |
spellingShingle |
Biodiversity Taxonomy Animalia Mollusca Gastropoda Archaeogastropoda Colloniidae Hikidea Hikidea svalbardensis Nakrem, Hans Arne Hikidea svalbardensis Nakrem 2017, sp. nov. |
topic_facet |
Biodiversity Taxonomy Animalia Mollusca Gastropoda Archaeogastropoda Colloniidae Hikidea Hikidea svalbardensis |
description |
Hikidea svalbardensis sp. nov. (Fig. 3A–C) 2015 Cantrainea sp.; Hryniewicz et al. 2015a, table 1. Diagnosis. Shell turbiniform, with maximum convexity in the lower part of lateral flank. Concave ramp wide but weakly expressed at the adapical suture. Surface smooth apart from some blunt spirals or shallow spiral bands and strongly prosocline growth lines. Holotype: PMO 217.574, H = 5.4 mm, W = 5.1 mm. Type locality and age: Seep #9, Sassenfjorden, Svalbard; late Berriasian, Early Cretaceous. Other material: Three additional specimens from the type locality. Description. Protoconch unknown. Shell turbiniform with three whorls preserved, convex with weak angulation in the abapical part of the flank. Weakly expressed wide ramp at the adapical suture. Adult shell surface smooth apart from some weak spirals and/or blunt spiral bands in the abapical part of the flank. Growth lines strongly prosocline. Aperture, umbilicus, inner and outer lip not preserved. Remarks. Hikidea svalbardensis differs from other species of the genus (H. osoensis, H. omagariensis and H. yasukawensis) by attaining the maximum convexity in the lower portion of the flank (vs. middle portion in the other species) which is ornamented by blunt, band-like spirals. Distribution. Type locality only. Etymology. After the Svalbard Archipelago. Published as part of Nakrem, Hans Arne, 2017, Gastropods from the Late Jurassic - Early Cretaceous seep deposits in Spitsbergen, Svalbard, pp. 351-374 in Zootaxa 4329 (4) on page 355, DOI:10.11646/zootaxa.4329.4.3, http://zenodo.org/record/1003014 |
format |
Other/Unknown Material |
author |
Nakrem, Hans Arne |
author_facet |
Nakrem, Hans Arne |
author_sort |
Nakrem, Hans Arne |
title |
Hikidea svalbardensis Nakrem 2017, sp. nov. |
title_short |
Hikidea svalbardensis Nakrem 2017, sp. nov. |
title_full |
Hikidea svalbardensis Nakrem 2017, sp. nov. |
title_fullStr |
Hikidea svalbardensis Nakrem 2017, sp. nov. |
title_full_unstemmed |
Hikidea svalbardensis Nakrem 2017, sp. nov. |
title_sort |
hikidea svalbardensis nakrem 2017, sp. nov. |
publishDate |
2017 |
url |
https://zenodo.org/record/6009551 https://doi.org/10.5281/zenodo.6009551 |
long_lat |
ENVELOPE(16.217,16.217,78.412,78.412) |
geographic |
Sassenfjorden Svalbard Svalbard Archipelago |
geographic_facet |
Sassenfjorden Svalbard Svalbard Archipelago |
genre |
Sassenfjord* Sassenfjorden Svalbard Spitsbergen |
genre_facet |
Sassenfjord* Sassenfjorden Svalbard Spitsbergen |
op_source |
Gastropods from the Late Jurassic - Early Cretaceous seep deposits in Spitsbergen, Svalbard, pp. 351-374 in Zootaxa 4329(4) 355 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/B5525419D024FFF3FF7BFBD3FD53F91F doi:10.11646/zootaxa.4329.4.3 http://zenodo.org/record/1003014 http://publication.plazi.org/id/496B2C61D020FFF7FFECFFDFFF9BFFD5 doi:10.5281/zenodo.1003018 http://zoobank.org/A0552Ffb-Fe2B-4Fad-809A-A1274Ac86Bcc doi:10.5281/zenodo.6009550 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6009551 https://doi.org/10.5281/zenodo.6009551 oai:zenodo.org:6009551 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.600955110.11646/zootaxa.4329.4.310.5281/zenodo.100301810.5281/zenodo.6009550 |
_version_ |
1766188148969177088 |