Extraordinarily early Venus' flower basket sponges (Hexactinellida, Euplectellidae) from the uppermost Ordovician Anji Biota, China

被引：5

作者：

Botting, Joseph P. ^{[1
,2
]}

Janussen, Dorte ^{[3
]}

Muir, Lucy A. ^{[2
]}

Dohrmann, Martin ^{[4
,8
]}

Ma, Junye ^{[1
]}

Zhang, Yuandong ^{[5
,6
,7
]}

机构：

[1] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, 39 East Beijing Rd, Nanjing 210008, Peoples R China

[2] Amgueddfa Cymru Natl Museum Wales, Dept Nat Sci, Cathays Pk, Cardiff CF10 3NP, Wales

[3] Senckenberg Res Inst & Nat Museum, Dept Marine Zool, Senckenberganlage 25, D-60325 Frankfurt, Germany

[4] Ludwig Maximilians Univ Munchen, Dept Earth & Environm Sci Palaeontol & Geobiol, Richard Wagner Str 10, D-80333 Munich, Germany

[5] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Peoples R China

[6] Chinese Acad Sci, Ctr Excellence Life & Palaeoenvironm, 39 East Beijing Rd, Nanjing 210008, Peoples R China

[7] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[8] Gottfried Bohm Ring 31, D-81369 Munich, Germany

来源：

PALAEONTOLOGY | 2022年 / 65卷 / 02期

关键词：

Hexactinellida; Euplectellidae; Lyssacinosida; Ordovician; Anji Biota; exceptional preservation; GLASS SPONGE; PORIFERA; FOSSIL; ECOSYSTEMS; PALEOGENE; PATTERNS; BORNHOLM; GROWTH;

D O I：

10.1111/pala.12592

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

The deep-sea hexactinellid sponge Euplectella is an iconic living genus with no known fossil record. The family Euplectellidae (which includes a subset of genera that share the common name 'Venus' flower basket') has a very sparse record from the Middle Cretaceous onwards, and an estimated crown-group origin at around 300 Ma based on molecular clocks. New material of Venus' flower baskets from the latest Ordovician Anji Biota of China (444 Ma) dramatically extends the known and predicted range of the group, with implications for the diversification of the class Hexactinellida and the timing of development of deep-sea ecosystems. The new material is described as Anjiplectella davidipharus gen. et sp. nov., with an additional taxon remaining in open nomenclature but demonstrating diversification within the group by this time.

引用

页数：15

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