Phallocephale

{{Short description|Genus and species of velvet worm}}

{{Speciesbox

| name = Phallocephale tallagandensis

| image = Phallocephale tallagandensis.jpg

| genus = Phallocephale

| parent_authority = Reid, 1996

| species = tallagandensis

| authority = Reid, 1996

}}

Phallocephale is a monospecific genus of ovoviviparous velvet worm containing the single species Phallocephale tallagandensis. Males are distinguished by the presence of an eversible knoblike structure on the head, whereas females instead have a depression on their head. This species has 15 pairs of legs in both sexes. The type locality of this species is Tallaganda National Park, New South Wales, Australia.{{Cite journal|last1=Reid|first1=A. L.|title=Review of the Peripatopsidae (Onychophora) in Australia, with Comments on Peripatopsid Relationships|journal=Invertebrate Taxonomy|date=1996|volume=10|issue=4|pages=663–936|doi=10.1071/IT9960663|url=http://www.publish.csiro.au/is/pdf/it9960663|url-access=subscription}} This species exhibits lecithotrophic ovoviviparity; that is, mothers in this species retain yolky eggs in their uteri.{{Citation |last1=Mayer |first1=Georg |title=Onychophora |date=2015 |url=http://link.springer.com/10.1007/978-3-7091-1865-8_4 |work=Evolutionary Developmental Biology of Invertebrates 3 |pages=53–98 |editor-last=Wanninger |editor-first=Andreas |place=Vienna |publisher=Springer Vienna |language=en |doi=10.1007/978-3-7091-1865-8_4 |isbn=978-3-7091-1864-1 |access-date=2023-02-16 |last2=Franke |first2=Franziska Anni |last3=Treffkorn |first3=Sandra |last4=Gross |first4=Vladimir |last5=de Sena Oliveira |first5=Ivo|url-access=subscription }}