PBDB Taxon

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Aspidella

Taxonomy

Aspidella was named by Billings (1872). It is considered to be a form taxon.

It was assigned to Metazoa by Mayoral et al. (2004); to Cnidaria by Hofmann et al. (2008); and to Problematica by Erwin et al. (2011).

Species

A. costata, A. hatyspytia, A. terranovica (syn. Medusinites patellaris, Paramedusium africanum, Irridinitus multiradiatus, Tirasiana concentralis, Charniodiscus planus, Cyclomedusa gigantea, Cyclomedusa plana, Cyclomedusa davidi, Cyclomedusa minima, Glaessneria imperfecta, Protodipleurosoma wardi, Protodipleurosoma rugulosum, Paliella patelliformis, Ediacaria flindersi, Cyclomedusa delicata, Tateana inflata, Vendella larini, Planomedusites patellaris, Madigania annulata, Jampolium wyrzhykoowskii, Tirasiana disciformis, Spriggia wadeae, Tirasiana coniformis, Beltanella gilesi, Cyclomedusa radiata), Cyclomedusa cliffi, Cyclomedusa serebrina, Eoporpita medusa

Synonyms

Cyclomedusa was named by Sprigg (1947) [Sepkoski's age data: V u V N-Da Sepkoski's reference number: 193,647].

It was synonymized subjectively with Aspidella by Fedonkin et al. (2007).

It was assigned to Cyclozoa by Sepkoski (2002); and to Metazoa by Mayoral et al. (2004).
Eoporpita was named by Wade (1972) [Sepkoski's age data: V u Sepkoski's reference number: 188]. It is not extant.

It was synonymized subjectively with Aspidella by Burzynski et al. (2017).

It was assigned to Hydrozoa by Sepkoski (2002); and to Metazoa by Erwin et al. (2011).

Synonymy list

Year	Name and author
1872	Aspidella Billings
1947	Cyclomedusa Sprigg
1972	Eoporpita Wade
2002	Cyclomedusa Sepkoski
2002	Eoporpita Sepkoski
2004	Aspidella Mayoral et al. p. 194
2004	Cyclomedusa Mayoral et al. p. 194
2008	Aspidella Hofmann et al. p. 9
2011	Aspidella Erwin et al. pp. SOM 16
2011	Eoporpita Erwin et al. pp. SOM 16

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Rank	Name	Author
kingdom	Animalia	()
phylum	Problematica

Rank	Name	Author
genus	Aspidella	Billings 1872

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Aspidella Billings 1872

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†Aspidella costata Vodanjuk 1989

†Aspidella hatyspytia Vodanjuk 1989

†Aspidella terranovica Billings 1872

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Invalid names: Beltanella gilesi Sprigg 1947 [synonym], Charniodiscus planus Sokolov 1972 [synonym], Cyclomedusa davidi Sprigg 1947 [synonym], Cyclomedusa delicata Fedonkin 1981 [synonym], Cyclomedusa gigantea Sprigg 1949 [synonym], Cyclomedusa minima Fedonkin 1981 [synonym], Cyclomedusa plana Glaessner and Wade 1966 [synonym], Cyclomedusa radiata Sprigg 1949 [synonym], Ediacaria flindersi Sprigg 1947 [synonym], Glaessneria imperfecta Gureev 1987 [synonym], Irridinitus multiradiatus Fedonkin 1983 [synonym], Jampolium wyrzhykoowskii Gureev 1988 [synonym], Madigania annulata Sprigg 1949 [synonym], Medusinites patellaris Sokolov 1972 [synonym], Paliella patelliformis Fedonkin 1980 [synonym], Paramedusium africanum Gurich 1933 [synonym], Planomedusites patellaris Sokolov 1972 [synonym], Protodipleurosoma rugulosum Fedonkin 1980 [synonym], Protodipleurosoma wardi Sprigg 1949 [synonym], Spriggia wadeae Sun 1986 [synonym], Tateana inflata Sprigg 1949 [synonym], Tirasiana concentralis Bekker 1977 [synonym], Tirasiana coniformis Palij 1976 [synonym], Tirasiana disciformis Palij 1976 [synonym], Vendella larini Gureev 1987 [synonym]

Invalid names: Cyclomedusa Sprigg 1947 [synonym], Eoporpita Wade 1972 [synonym]

Diagnosis

No diagnoses are available