Architectonicoidea

Clear sundail Architectonica perspectiva, copyright Nick Hobgood.


Belongs within: Heterobranchia.

The Architectonicoidea is a group of marine gastropods uniting the Architectonicidae with related fossil families. The Architectonicidae, sundails, have discoidal or depressed-conical shells with a rather flat base, often with a very widely open umbilicus within which the coiled whorls are visible, and a sculpture of beaded spiral and radial ribs (Wilson & Gillett 1971).

Architectonicoidea [Architectonicacea]
    |--Cassianaxis Bandel 1994 [Cassianaxidae] BR05
    |--Amphitomaria Koken 1897 [Amphitomariidae] BR05
    |    `--*A. cassiana (Koken 1889) [=Euomphalus cassianus, Discohelix (*Amphitomaria) cassiana] KC60
    `--Architectonicidae [Architectomidae, Architectonicinae, Heliacidae, Solariacea, Solariadae, Solariidae] BR05
         |--Teretropoma Rochebrune 1881 [Teretropomatinae, Teretropomidae] BR05
         |--Mangonuia Mestayer 1930 [Mangonuiidae] BR05
         |--Pseudomalaxis Fischer 1885 [Pseudomalaxinae] BR05
         |--Grandeliacus Iredale 1957 WG71
         |    `--G. moretensenae Iredale 1957 WG71
         |--Wangaloa Finlay 1927 F27b
         |    `--*W. plana (Marshall 1917) (see below for synonymy) F27b
         |--Episcynia Mörch 1878 F27b
         |    `--*E. inornata [=Solarium inornatum] F27b
         |--Philippia Gray 1847 [Philippiinae] BR05
         |    |--P. lutea (Lamarck 1822) F27a
         |    `--P. radiata (Röding 1798) WG71
         |--Torinia Gray 1842 [Toriniacea, Toriniidae, Toriniinae] BR05
         |    |--T. caelata (Hinds 1844) [=Solarium caelatum] H09
         |    |--T. dorsuosa (Hinds 1844) [=Solarium dorsuosum] H09
         |    `--T. variegata (Gmelin 1791) WG71 [=Trochus variegatus] H09
         |--Heliacus d’Orbigny 1842 [Heliacinae] BR05
         |    |--H. amoenus (Murdoch & Suter 1906) [=Omalaxis amoenus] F27a
         |    |--H. imperfectus (n. d.) F27a
         |    `--H. stamineus (Gmelin 1791) [incl. H. variegatus (Gmelin 1791)] F27a
         |--Solarium Lamarck 1799 [Solariinae] BR05
         |    |--S. acutum Conrad 1860 F27b
         |    |--S. implexum Mighels 1845 J49
         |    |--S. mighelsi Philippi 1853 [=S. cyclostomum Mighels 1845 non Menke 1930] J49
         |    `--S. wannonensis Tenison-Woods 1878 F71
         `--Architectonica Röding 1798 [=Architectoma (l. c.)] BR05
              |--A. aucklandica (Marshall 1918) [=Heliacus aucklandicus] F27a
              |--A. balcombensis Finlay 1927 [=Solarium acutum Tenison-Woods 1879 non Conrad 1860] F27b
              |--A. hybrida (Linnaeus 1758) [=Trochus hybridus] H09
              |--A. inornata Gabb 1864 F27b
              |--A. marwicki Allan 1926 F27a
              |--A. maxima Philippi 1848 WG71
              |--A. ngaparaensis Suter 1917 F27a
              |--A. perdix (Hinds 1844) WG71 [=Solarium perdix H09]
              |--A. perspectiva (Linnaeus 1758) WG71 [=Trochus perspectivus H09]
              |    |--A. p. perspectiva WG71
              |    `--A. p. fressa Iredale 1936 WG71
              |--A. plana (Seeley 1861) [=Solarium planum] F27b
              |--A. reevei Hanley 1862 [incl. A. offlexa Iredale 1931] WG71
              `--A. straminea (Gmelin 1791) [=Trochus stramineus] H09

*Wangaloa plana (Marshall 1917) [=Omalaxis planus; incl. Architectonica inornata Marshall 1917 non Gabb 1864] F27b

*Type species of generic name indicated

REFERENCES

[BR05] Bouchet, P., J.-P. Rocroi, J. Frýda, B. Hausdorf, W. Ponder, Á. Valdés & A. Warén. 2005. Classification and nomenclator of gastropod families. Malacologia 47 (1-2): 1-397.

[F27a] Finlay, H. J. 1927a. A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320-485.

[F27b] Finlay, H. J. 1927b. New specific names for austral Mollusca. Transactions and Proceedings of the New Zealand Institute 57: 488-533.

[F71] Fletcher, H. O. 1971. Catalogue of type specimens of fossils in the Australian Museum, Sydney. Australian Museum Memoir 13: 1-167.

[H09] Hedley, C. 1909. The Marine Fauna of Queensland: Address by the President of Section D. Australasian Association for the Advancement of Science: Brisbane.

[J49] Johnson, R. I. 1949. Jesse Wedgwood Mighels with a bibliography and a catalogue of his species. Occasional Papers on Mollusks 1 (14): 213-231.

[KC60] Knight, J. B., L. R. Cox, A. M. Keen, R. L. Batten, E. L. Yochelson & R. Robertson. 1960. Gastropoda: systematic descriptions. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt I. Mollusca 1: Mollusca—General Features, Scaphopoda, Amphineura, Monoplacophora, Gastropoda—General Features, Archaeogastropoda and some (mainly Paleozoic) Caenogastropoda and Opisthobranchia, pp. I169-I331. Geological Society of America, and University of Kansas Press.

[WG71] Wilson, B. R., & K. Gillett. 1971. Australian Shells: illustrating and describing 600 species of marine gastropods found in Australian waters. A. H. & A. W. Reed: Sydney.

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