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Mackinnonia

Helcionelloida - Helcionellida - Trenellidae

Taxonomy
Mackinnonia was named by Bengtson et al. (1990) [Sepkoski's age data: Cm Atda-u Cm Boto-u Sepkoski's reference number: 923,1235].

It was replaced with Davidonia by Parkhaev (2017).

It was assigned to Cyrtonellida by Bengtson (1992); to Helcionelloida by Landing and Bartowski (1996); to Mollusca by Sepkoski (2002); to Helcionellidae by Bengtson et al. (1990), Runnegar (1990), Skovsted (2004), Wotte (2006); and to Trenellidae by Parkhaev (2002), Parkhaev (2005), Wagner (2023).

Species lacking formal opinion data

Synonymy list
YearName and author
1990Mackinnonia Bengtson et al.
1990Mackinnonia Runnegar p. 233
1992Mackinnonia Bengtson p. 1027
1996Mackinnonia Landing and Bartowski p. 754
2002Mackinnonia Parkhaev p. 35
2002Mackinnonia Sepkoski
2004Mackinnonia Skovsted p. 15
2005Mackinnonia Parkhaev
2006Mackinnonia Wotte p. 151
2023Mackinnonia Wagner p. G910

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classHelcionelloidaPeel 1991
orderHelcionellida
superfamilyYochelcionelloidea
familyTrenellidae
genusMackinnonia

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. †Mackinnonia Bengtson et al. 1990
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Mackinnonia anabarica Parkhaev 2005
Mackinnonia corrugata Bengtson et al. 1990
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Environment: marinec
Locomotion: slow-movingsuperf
Life habit: low-level epifaunalsuperf
Diet: grazersuperf
Vision: blindf
Created: 2010-05-17 03:29:25
Modified: 2010-05-17 05:29:25
Source: f = family, superf = superfamily, c = class
References: Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Branchian to the top of the Toyonian or 516.20000 to 508.20000 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Atdabanian521.0 - 516.0Australia (South Australia) Leptostega corrugata (97740 97741 97742 97743 97744) M. plicata (97722)
Montezuman520.0 - 515.3Mexico M. corrugata (203103 203104)
Branchian516.2 - 506.5USA (Massachusetts) Helcionella abrupta (56854)
Botomian516.0 - 512.1Russian Federation (Siberia) M. anabarica (174258 174260) M. sp. (97799)
Botomian516.0 - 512.1Australia (South Australia) Leptostega corrugata (225121) M. corrugata (67981) M. plicata (96916 96932 96958 97723 97730)
Toyonian512.1 - 508.2Australia (South Australia) M. plicata (96921)