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Howellites amsdeni

Rhynchonellata - Orthida - Dalmanellidae

Taxonomy
Howellites amsdeni was named by Savage (1981). It is a 3D body fossil. Its type locality is USGS 2689 - northeast end of Heceta Island, which is in a Pragian reef, buildup or bioherm limestone in the Karheen Formation of Alaska.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1981Howellites amsdeni Savage

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderDalmanellidinaMoore 1952
superfamilyDalmanelloideaSchuchert 1913
familyDalmanellidaeSchuchert 1913
subfamilyDalmanellinaeSchuchert 1913
genusHowellites()
speciesamsdeni

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.

Howellites amsdeni Savage 1981
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryf
Attached: yesf
Life habit: epifaunalf
Diet: suspension feederf
Vision: blindc
Created: 2009-06-03 13:21:26
Modified: 2009-06-03 15:21:26
Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade
References: Hendy 2009, Hendy et al. 2009, Nesnidal et al. 2013, Aberhan et al. 2004

Age range: Pragian or 413.02000 to 410.62000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Pragian413.02 - 410.62USA (Alaska) Howellella sp. (type locality: 109022)