“足球明星”的分类和系统发育（小行星目，鞘翅目）

IF 2.2 2区地球科学 Q3 EVOLUTIONARY BIOLOGY

Journal of Systematic Palaeontology Pub Date : 2021-10-21 DOI:10.1080/14772019.2021.1960911

A. Gale

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引用次数: 1

摘要

根据来自欧洲和北非的丰富新化石材料，对属于valvatidan家族Sphaerasteridae（早侏罗纪-近代）的球形和亚球形小行星的系统发育关系进行了修订。该家族在侏罗纪早期就已经形成辐射，而Stauranderasteridae家族是它的姊妹群。形态变化包括圆顶体的形成，分化的边缘小骨的缺失，以及背侧算盘小骨转变为大型薄板的镶嵌。Podosphaerasteridae科与Spharasteridae。新的分类群包括始球藻amelagensis gen.et sp.nov.，Bulbosphaeraster valettei gen.et sp.nov.、Pouzaster pocknota gen.et sp.nov.和Rugosphaerater rugenensis gen.et sp.nov.，Echinosphaerastergen.nov.（模式种：Asterias scutata Goldfuss，1833）和Valettaster thuyi sp.nov。结果表明，海绵蛛科的形态与其与海绵的紧密联系有关。http://zoobank.org/urn:lsid:zoobank.org:pub:F8991F09-B5FB-40 ef-B4CC-474D925085B8

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Taxonomy and phylogeny of the ‘football stars’ (Asteroidea, Sphaerasteridae)

The phylogenetic relationships of spherical and sub-spherical asteroids, belonging to the valvatidan family Sphaerasteridae (Early Jurassic–Recent), are revised in the light of abundant new fossil material from Europe and North Africa. The family had radiated by the Early Jurassic and the family Stauranderasteridae is its sister group. Morphological changes involved the formation of a domed body, the absence of differentiated marginal ossicles and the transformation of dorsal abactinal ossicles into a tessellation of large, thin plates. The family Podosphaerasteridae is placed in synonomy with the Sphaerasteridae. New taxa include Eosphaeraster amellagensis gen. et sp. nov., Bulbosphaeraster valettei gen. et sp. nov., Pouzaster pocknotata gen. et sp. nov., Rugosphaeraster rugenensis gen. et sp. nov., Echinosphaeraster gen. nov. (type species: Asterias scutata Goldfuss, 1833) and Valettaster thuyi sp. nov. It is suggested that the morphology of Sphaerasteridae is related to their close association with sponges. http://zoobank.org/urn:lsid:zoobank.org:pub:F8991F09-B5FB-40EF-B4CC-474D925085B8

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来源期刊

Journal of Systematic Palaeontology 地学-古生物学

CiteScore

5.30

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Systematic Palaeontology publishes papers that provide novel and impactful results in phylogenetics and systematics and that use these results in ways that significantly advance rigorous analyses of palaeogeography, palaeobiology, functional morphology, palaeoecology or biostratigraphy. Papers dealing with theoretical issues or molecular phylogenetics are also considered if they are of relevance to palaeo-systematists. Contributions that include substantial anatomical descriptions, descriptions of new taxa or taxonomic revisions are welcome, but must also include a substantial systematics component, such as a new phylogeny or a revised higher-level classification. Papers dealing primarily with alpha-taxonomic descriptions, the presentation of new faunal/floristic records or minor revisions to species- or genus-level classifications do not fall within the remit of the journal.