-
ignored in the
scientific literature in
favor of the order-level name
Hesperornithiformes,
coined one year later. In 2004,
Clarke became the
first to define...
-
latter included the
superficially gull-like
Ichthyornis and the
Hesperornithiformes,
which became so well
adapted to
hunting fish in
marine environments...
-
represented by a
single species; the
leatherback sea turtle. The
Hesperornithiformes were flightless,
marine diving birds that swam like grebes. Baculites...
- loons. More
recent work
looking at the
morphometrics of the feet in
hesperornithiformes and
modern sea
birds has
thrown this
interpretation into question...
- hdl:1807/77762. Tim T. Tokaryk; C. R.
Harington (1992). "Baptornis sp. (Aves:
Hesperornithiformes) from the
Judith River Formation (Campanian) of Saskatchewan, Canada"...
- tibiotarsi, and they seem
certainly more
similar to the
bones of
Hesperornithiformes and (due to the
smallish size) to
Parahesperornis specifically. However...
- or ducks, like Gansus. Some
evolved as
swimming hunters, like the
Hesperornithiformes – a
group of
flightless divers resembling grebes and loons. While...
-
known to
occur in the
Cretaceous period, the
earliest being the
Hesperornithiformes, like
Hesperornis regalis, a
flightless loon-like
seabird that could...
- A
classification Uncertain Ricardoestesia gilmorei Birds such as
Hesperornithiformes were present, as well as
giant Pterosauria related to Quetzalcoatlus...
-
between loons and the
entirely unrelated extinct Cretaceous order Hesperornithiformes. In
particular Enaliornis,
which was
apparently an
ancestral and...
