PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Uncertain

Taxonomy

Uncertain is a phylum. It is not extant.

Subtaxa

Lagenula, Oligonodus, Sandaokania

Synonyms

Lagenula was named by Luo and Hu (1999). It is not extant.

It was considered a nomen dubium by Huang et al. (2004).

It was assigned to Priapulida by Zhao et al. (2010).
Sandaokania was named by Luo and Hu (1999). It is not extant.

It was considered a nomen dubium by Huang et al. (2004).

It was assigned to Priapulida by Zhao et al. (2010).
Oligonodus was named by Luo and Hu (1999). It is not extant.

It was considered a nomen dubium by Huang et al. (2004).

Synonymy list

Year	Name and author
1999	Lagenula Luo and Hu
1999	Oligonodus Luo and Hu
1999	Sandaokania Luo and Hu
2010	Lagenula Zhao et al.
2010	Sandaokania Zhao et al.

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Rank	Name	Author
phylum	Uncertain

Rank	Name	Author
phylum	Uncertain

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. †Sandaokania Luo and Hu 1999

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†Sandaokania latinodosa Luo and Hu 1999

G. †Lagenula Luo and Hu 1999

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†Lagenula striolata Luo and Hu 1999

G. †Oligonodus Luo and Hu 1999

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†Oligonodus specialis Luo and Hu 1999

Diagnosis

No diagnoses are available