-
Penion proavitus is an
extinct species of
marine snail or whelk,
belonging to the true
whelk family Austrosiphonidae.
Penion proavitus fossils are the...
- †P.
pervetus Wetmore 1926 [Nautilornis avus
Wetmore 1926;
Nautilornis proavitus Wetmore 1926] †Telmabates
Howard 1955 †T.
antiquus Howard 1955 †T. howardae...
- L.
picturellus (Alexander, 1941) L. porteri**** (Alexander, 1937) L.
proavitus (Alexander, 1940) L.
salome (Alexander, 1945) L.
saltatrix (Alexander...
- Australia,
Norian Mesoj****us
ipsviciensis Tillyard, 1916 (= Tri****oj****us
proavitus Tillyard, 1919, = Tri****ocotis
stricta Evans, 1961) Mesoj****us australis...
- is
possible that the
earliest known fossils of
Penion belonging to P.
proavitus from the New
Zealand Paleocene (Teurian),
actually represent a stem lineage...
-
multiplicata Bancroft, 1945 †Plaesiomys
porcata (McCoy, 1846) †Plaesiomys
proavitus Winc**** and Schuchert, 1892 †Plaesiomys
rockymontana Wilson, 1926 †Plaesiomys...
-
circularis †Pionodema
subaequata †Plaesiomys †Plaesiomys
meedsi †Plaesiomys
proavitus †Plaesiomys
subquadrata †Platystrophia †Platystrophia
amoena †Platystrophia...
-
species †Physonemus †Plaesiomys †Plaesiomys
bellilamellosus †Plaesiomys
proavitus †Planoproductus †Planoproductus
depressus †Planoproductus hillsboroensis...
-
pregenitor Laws, 1935 †
Murexsul primigenius Merle & Pacaud, 2019 †
Murexsul proavitus Laws, 1935
Murexsul profundus (Marshall & Burch, 2000)
Murexsul purpurispinus...
- †Pisocrinus
quinquelobus †Plaesiomys †Plaesiomys
bellistriatus †Plaesiomys
proavitus †Plaesiomys
subquadrata †Planolites †Platyceras – type
locality for genus...
