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Psilocalyx

Hexactinellida - Hexactinosa - Tretodictyidae

Discussion

Extant according to WoRMS

Taxonomy
Psilocalyx was named by Ijima (1927) [Sepkoski's age data: J Oxfo-l Sepkoski's reference number: 1066]. It is extant.

It was assigned to Hexactinosa by Sepkoski (2002); and to Tretodictyinae by Reid (2004).

Species lacking formal opinion data
P. wilsoni

Synonyms
  • Nitidus was named by de Laubenfels (1955) [Sepkoski's age data: J u]. It is not extant.

    It was synonymized subjectively with Psilocalyx by Reid (2004).

    It was assigned to Hexactinosa by Sepkoski (2002).
  • Epaphroditus was named by Schrammen (1937).

    It was replaced with Nitidus by de Laubenfels (1955).
Synonymy list
YearName and author
1927Psilocalyx Ijima
1937Epaphroditus Schrammen p. 62
1955Nitidus de Laubenfels p. 86
2002Nitidus Sepkoski
2002Psilocalyx Sepkoski
2004Psilocalyx Reid p. 504

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RankNameAuthor
kingdomAnimalia()
phylumPoriferaGrant 1836
classHexactinellidaSchmidt 1870
subclassHexasterophoraSchulze 1886
RankNameAuthor
orderHexactinosaSchrammen 1903
familyTretodictyidaeSchulze 1887
subfamilyTretodictyinaeSchulze 1887
genusPsilocalyxIjima 1927

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. Psilocalyx Ijima 1927
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Invalid names: Nitidus de Laubenfels 1955 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: silicac
Environment: marinec
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-05-08 18:50:16
Modified: 2009-05-08 20:50:16
Source: o = order, c = class
References: Kiessling 2004, Bambach et al. 2007

Age range: base of the Teurian to the top of the Waipawan or 66.00000 to 52.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Teurian - Waipawan66.0 - 52.0New Zealand P. wilsoni (110069)