ammonites
Plekonina spissatella Waterhouse 1986 (lamp shell)

Rhynchonellata - Rhynchonellida

Full reference: J. B. Waterhouse. 1986. Taxonomic names, in Late Palaeozoic Scyphozoa and Brachiopoda (Inarticulata, Strophomenida, Productida and Rhynchonellida) from the southeast Bowen Basin, Australia. Palaeontographica Abteilung A 193(1-4):1-76

Belongs to Plekonina according to J. B. Waterhouse 1986

Sister taxa: Ancistrorhynchoidea, Antistrixia, Apodosia, Barzellinia, Camarotoechioidea, Chapursania, Dimerelloidea, Disphenia, Dorsisinus, Hemithiridoidea, Isjuminelina, Lambdarinoidea, Laosia, Latirhynchia, Norelloidea, Omolonorhynchia, Pompoecilorhynchus, Praecyclothyrididae, Pseudonudirostra, Pugnacoidea, Rhynchonelloidea, Rhynchoporoidea, Rhynchotetradoidea, Rhynchotrematoidea, Sacothyropsis, Seminula, Stenoscismatoidea, Tatjamoa, Uncinuloidea, Uncinuloides, Wellerelloidea, Yunshanella, Chivatschella orotschensis, Payuella obscura, Pseudopugnax planissima, Altaethyrella zhejiangensis

Type specimen: UQF 74104. Its type locality is UQ L4820, Buffel Hill, Cracow Station, which is in an Artinskian open shallow subtidal limestone in the Buffel Formation of Australia.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 10.7 x 10.6