NIGPAS OpenIR
Three-dimensionally preserved soft tissues and calcareous hexactins in a Silurian sponge: implications for early sponge evolution
Nadhira, Ardianty1; Sutton, Mark D.1; Botting, Joseph P.2,3; Muir, Lucy A.3; Gueriau, Pierri4,5; King, Andrew6; Briggs, Derek E. G.7,8; Siveter, Davi J.9; Siveter, Derek J.10,11
2019-07-26
Source PublicationROYAL SOCIETY OPEN SCIENCE
ISSN2054-5703
Volume6Issue:7Pages:13
Abstract

Sponges (Porifera), as one of the earliest-branching animal phyla, are crucial for understanding early metazoan phylogeny. Recent studies of Lower Palaeozoic sponges have revealed a variety of character states and combinations unknown in extant taxa, challenging our views of early sponge morphology. The Herefordshire Konservat-Lagerstatte yields an abundant, diverse sponge fauna with three-dimensional preservation of spicules and soft tissue. Carduispongia pedicula gen. et sp. nov. possesses a single layer of hexactine spicules arranged in a regular orthogonal network. This spicule type and arrangement is characteristic of the reticulosans, which have traditionally been interpreted as early members of the extant siliceous Class Hexactinellida. However, the unusual preservation of the spicules of C. pedicula reveals an originally calcareous composition, which would be diagnostic of the living Class Calcarea. The soft tissue architecture closely resembles the complex sylleibid or leuconid structure seen in some modern calcareans and homoscleromorphs. This combination of features strongly supports a skeletal continuum between primitive calcareans and hexactinellid siliceans, indicating that the last common ancestor of Porifera was a spiculate, solitary, vasiform animal with a thin skeletal wall.

Keywordexceptional preservation Herefordshire Lagerstatte Porifera Reticulosa Silurian
DOI10.1098/rsos.190911
Language英语
WOS KeywordPHYLOGENY
Funding ProjectYale Peabody Museum of Natural History Invertebrate Paleontology Division ; Natural Environment Research Council[NF/F0108037/1] ; Leverhulme Trust[EM-2014-068] ; English Nature
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000479146300084
Funding OrganizationYale Peabody Museum of Natural History Invertebrate Paleontology Division ; Natural Environment Research Council ; Leverhulme Trust ; English Nature
PublisherROYAL SOC
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/27960
Collection中国科学院南京地质古生物研究所
Corresponding AuthorSutton, Mark D.
Affiliation1.Imperial Coll London, Dept Earth Sci & Engn, London SW7 2BP, England
2.Nanjing Inst Geol & Palaeontol, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
3.Amgueddfa Cymru Natl Museum Wales, Dept Nat Sci, Cathays Pk, Cardiff CF10 3NP, S Glam, Wales
4.Univ Paris Saclay, Minist Culture, CNRS, IPANEMA,UVSQ,USR 3461, F-91192 Gif Sur Yvette, France
5.Univ Lausanne, Inst Earth Sci, CH-1015 Lausanne, Switzerland
6.SOLEIL Synchrotron, F-91192 Gif Sur Yvette, France
7.Yale Univ, Dept Geol & Geophys, POB 208109, New Haven, CT 06520 USA
8.Yale Univ, Yale Peabody Museum Nat Hist, POB 208109, New Haven, CT 06520 USA
9.Univ Leicester, Sch Geog Geol & Environm, Leicester LE1 7RH, Leics, England
10.Univ Museum Nat Hist, Earth Collect, Oxford OX1 3PW, England
Recommended Citation
GB/T 7714
Nadhira, Ardianty,Sutton, Mark D.,Botting, Joseph P.,et al. Three-dimensionally preserved soft tissues and calcareous hexactins in a Silurian sponge: implications for early sponge evolution[J]. ROYAL SOCIETY OPEN SCIENCE,2019,6(7):13.
APA Nadhira, Ardianty.,Sutton, Mark D..,Botting, Joseph P..,Muir, Lucy A..,Gueriau, Pierri.,...&Siveter, Derek J..(2019).Three-dimensionally preserved soft tissues and calcareous hexactins in a Silurian sponge: implications for early sponge evolution.ROYAL SOCIETY OPEN SCIENCE,6(7),13.
MLA Nadhira, Ardianty,et al."Three-dimensionally preserved soft tissues and calcareous hexactins in a Silurian sponge: implications for early sponge evolution".ROYAL SOCIETY OPEN SCIENCE 6.7(2019):13.
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