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Acanthoclema

Stenolaemata - Rhabdomesida - Nikiforovellidae

Taxonomy
Acanthoclema is a genus. It is not extant.

It was assigned to Nikiforovellidae by Zimmerman and Cuffey (1987); and to Cryptostomata by Sepkoski (2002).

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1987Acanthoclema Zimmerman and Cuffey figs. Table 1
2002Acanthoclema Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Polyzoa
RankNameAuthor
phylumBryozoaEhrenberg 1831
classStenolaemataBorg 1926
orderRhabdomesidaVine 1883
familyNikiforovellidae
genusAcanthoclema

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Locomotion: stationaryc
Attached: yesc
Life habit: epifaunalp
Diet: suspension feederc
Vision: blindc
Created: 2007-09-18 02:11:14
Modified: 2010-02-15 07:19:29
Source: c = class, p = phylum
References: Kiessling 2004, Smith et al. 2006

Age range: base of the Telychian to the top of the Roadian or 438.50000 to 268.80000 Ma

Collections (56 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.4 - 433.4USA (New York) A. asperum (77054) A. sp. (459 463)
Niagaran443.4 - 422.9USA (New York) A. aspera (22817)
Telychian438.5 - 433.4USA (New York) A. asperum (77053 83097)
Sheinwoodian433.4 - 430.5USA (New York) A. asperum (82584 82585 82598 83095)
Wenlock433.4 - 427.4USA (New York) A. asperum (81813 81840 81920 82501) A. sp. (472 541)
Emsian407.6 - 393.3Spain A. irregularis (144339)
Emsian - Eifelian407.6 - 387.7Spain A. parvula (144653 144657 144658 144660 144736)
Eifelian393.3 - 387.7Germany A. distilum (143797 143799 144084 144787) A. parvula (144943) A. sp. (25364 25365 144096)
Cazenovia391.9 - 383.7USA (Ohio) A. ohioensis (188935)
Late/Upper Givetian388.1 - 383.7Western Sahara A. sp. (81292)
Late/Upper Givetian388.1 - 383.7Morocco A. triangularis (144442 144587 144589 144590)
Late/Upper Givetian388.1 - 383.7Spain A. triangularis (144594)
Givetian387.7 - 382.7Poland (Swietokrzyskie) A. sp. (161475)
Givetian387.7 - 382.7France A. distilus (38681 38683)
Givetian387.7 - 382.7USA (Ohio) A. ohioensis (38463) A. ohioensis, A. lineatum (38465) A. ohioensis, A. lineatum, A. sulcatum (38457 38459 38460) A. ohioensis, A. sulcatum (38461 38464)
Givetian387.7 - 382.7Morocco A. triangularis (144324)
Givetian387.7 - 382.7USA (Michigan) A. ohioensis (38475 38476)
Givetian387.7 - 382.7Germany A. distilum (143798 144085 144098) A. elegantula (144092) A. sp. (144093)
Roadian272.3 - 268.8USA (Texas) A. sp. (102621)