Abyssorhynchia craneana (Dall, 1895) (taxonomy source)
Abyssothyris Thomson, 1927 (original description)
Aetheia colurnus (Hedley, 1905) accepted as Basiliolella colurnus (Hedley, 1905) (new combination reference)
Aldingia willemoesi (Davidson, 1878) (new combination reference)
Aldingia woodsii (Tate, 1880) † accepted as Paraldingia woodsii (Tate, 1880) † (new combination reference)
Anakinetica compta (Sowerby, 1845) † (additional source)
Annuloplatidia horni (Gabb, 1861) (taxonomy source)
Arctosia arctica (Friele, 1877) (taxonomy source)
Austrothyris vincentiana (Tate, 1880) † (additional source)
Basiliolella colurnus (Hedley, 1905) (additional source)
Bouchardia Davidson, 1850 (additional source)
Campages mariae (Adams, 1860) (taxonomy source)
Cancellothyris australis Thomson, 1927 accepted as Cancellothyris hedleyi (Finlay, 1927) (original description)
Coptothyris adamsi (Davidson, 1871) accepted as Coptothyris grayi (Davidson, 1852) (source of synonymy)
Cryptopora gnomon Jeffreys, 1869 (taxonomy source)
Dallinella occidentalis (Dall, 1871) (new combination reference)
Dallithyris fulva (Blochmann, 1906) (additional source)
Diestothyris Thomson, 1916 (additional source)
Diestothyris frontalis (Middendorff, 1849) (redescription)
Dolichozygus stearnsii (Dall & Pilsbry, 1891) (taxonomy source)
Dyscolia johannisdavisi (Alcock, 1894) (new combination reference)
Gryphus fulva (Blochmann, 1906) accepted as Dallithyris fulva (Blochmann, 1906) (taxonomy source)
Gryphus stearnsii (Dall et Pilsbry, 1891) accepted as Dolichozygus stearnsii (Dall & Pilsbry, 1891) (new combination reference)
Hemithiris woodwardi (Adams, 1863) (new combination reference)
Hispanirhynchia Thomson, 1927 (original description)
Hispanirhynchia cornea (Fischer in Davidson, 1886) (new combination reference)
Hispanirhynchia craneana (Dall, 1895) accepted as Abyssorhynchia craneana (Dall, 1895) (new combination reference)
Jaffaia Thomson, 1927 (original description)
Japanithyris Thomson, 1927 accepted as Campages Hedley, 1905 (original description)
Japanithyris mariae accepted as Campages mariae (Adams, 1860) (new combination reference)
Kraussina atkinsoni (Tenison-Woods, 1878) accepted as Megerlina atkinsoni (Tenison-Woods, 1878) (additional source)
Kraussina cognata (Sowerby, 1847) (additional source)
Laqueidae Thomson, 1927 (original description)
Laqueinae Thomson, 1927 (original description)
Laqueoidea Thomson, 1927 (original description)
Liothyrella antarctica (Blochmann, 1906) accepted as Liothyrella uva antarctica (Blochmann, 1906) accepted as Liothyrella uva (Broderip, 1833) (additional source)
Liothyrella arctica (Friele, 1877) accepted as Arctosia arctica (Friele, 1877) (new combination reference)
Liothyrella winteri (Blochmann, 1906) (taxonomy source)
Macandrevia lata Thomson, 1918 accepted as Macandrevia americana Dall, 1895 (additional source)
Magadina Thomson, 1915 † (additional source)
Magadina browni Thomson, 1915 † (additional source)
Magadina compta (Sowerby, 1845) † accepted as Anakinetica compta (Sowerby, 1845) † (new combination reference)
Magadina deformis (Tate, 1880) † accepted as Adnatida deformis (Tate, 1880) † (new combination reference)
Magadina lunata (Tate, 1899) † (new combination reference)
Magellania fimbriata (Tate, 1880) † accepted as Diedrothyris johnstoniana (Tate, 1880) † (additional source)
Magellania taylori (Etheridge, 1876) † (new combination reference)
Magellania vincentiana (Tate, 1880) † accepted as Austrothyris vincentiana (Tate, 1880) † (new combination reference)
Malleia Thomson, 1927 † (original description)
Malleia portlandica (Chapman, 1913) † (new combination reference)
Megathyris decollata (Dillwyn, 1817) accepted as Megathiris detruncata (Gmelin, 1791) (source of synonymy)
Megathyris detruncata (Gmelin, 1791) accepted as Megathiris detruncata (Gmelin, 1791) (basis of record)
Megerlina davidsoni (Vélain, 1877) (additional source)
Megerlina lamarckiana (Davidson, 1852) (additional source)
Muhlfeldtia granosa (Seguenza, 1865) accepted as Megerlia granosa Seguenza, 1865 (basis of record)
Murravia davidsoni (Etheridge, 1876) † accepted as Murravia catinuliformis (Tate, 1896) † (additional source)
Neobouchardia Thomson, 1927 † (original description)
Neobouchardia minima (Thomson, 1918) † (new combination reference)
Notosaria nigricans (Sowerby, 1846) (taxonomy source)
Paraldingia woodsii (Tate, 1880) † (additional source)
Pictothyris Thomson, 1927 (original description)
Pictothyris picta (Dillwyn, 1817) (new combination reference)
Pirothyris Thomson, 1927 (original description)
Pirothyris vercoi (Blochmann, 1910) (new combination reference)
Platidia hornii (Gabb, 1861) accepted as Annuloplatidia horni (Gabb, 1861) (new combination reference)
Rhynchonella cornea Fischer in Davidson, 1886 accepted as Hispanirhynchia cornea (Fischer in Davidson, 1886) (source of synonymy)
Stethothyris antarctica Thomson, 1918 accepted as Magellania fragilis Smith, 1907 (additional source)
Stethothyris insolita (Tate, 1880) † accepted as Aliquantula insolita (Tate, 1880) † (new combination reference)
Tegulorhynchia Chapman & Crespin, 1923 † (additional source)
Tegulorhynchia doederleini (Davidson, 1886) accepted as Acanthobasiliola doederleini (Davidson, 1886) (basis of record)
Tegulorhynchia nigricans (Sowerby, 1846) accepted as Notosaria nigricans (Sowerby, 1846) (basis of record)
Waldheimia sinuata Hutton, 1873 † accepted as Terebratula gualteri Morris, 1850 † accepted as Aetheia gualteri (Morris, 1850) † (source of synonymy)

Davis Sea for Stethothyris antarctica Thomson, 1918 
New Zealand for Magadina browni Thomson, 1915 † 

 Etymology

 for Muehlfeldtia Bayle, 1880

Genus named after Mr Megerle von Mühlfeldt (per footnote; Thomson, 1927, p. 226). [details]

 Nomenclature

 for Megathyris d'Orbigny, 1847

d'Orbigny (1847) originally spelled the genus "Megathiris", the next year Bronn (1848) spelled the name Megathyris, ... [details]

 Nomenclature

 for Megathyris decollata (Dillwyn, 1817)

Thomson (1927, p. 213) notes that the name "Anomia decollata Chemnitz, 1785" (and thus "Megathyris decollata" ... [details]

 Taxonomic remark

 for Aetheia Thomson, 1915 †

Thomson (1915) used Waldheimia sinuata Hutton, 1873 as the type species for genus Aetheia, however it later became ... [details]

 Taxonomic remark

 for Basiliolella colurnus (Hedley, 1905)

Previously classified into brachiopod genera Aetheia and Eohemithyris (alternatively spelled Eohemithiris). These ... [details]

 Taxonomic remark

 for Cryptopora gnomon Jeffreys, 1869

Genus 'Neatretia' was established as Fischer & Œhlert (1891) didn't believe the genus name 'Atretia' (into which ... [details]

 Taxonomic remark

 for Murravia davidsoni (Etheridge, 1876) †

Terebratulina davidsoni Etheridge, 1876 was used by Thomson (1916) as the type for genus Murravia Thomson, 1916, ... [details]

 Taxonomic remark

 for Neatretia gnomon (Jeffreys, 1869)

Genus 'Neatretia' was established as Fischer & Œhlert (1891) didn't believe the genus name 'Atretia' (into which ... [details]

 Taxonomic remark

 for Terebratulina davidsoni Etheridge, 1876 †

Terebratulina davidsoni Etheridge, 1876 was recognized by Thomson (1927) as not the same species as a Terebratulina ... [details]

 Taxonomic remark

 for Waldheimia sinuata Hutton, 1873 †

Thomson (1915) used Waldheimia sinuata Hutton, 1873 as the type species for genus Aetheia, however Thomson (1927) ... [details]