Sexual desire, libido, horniness, titillation, lust and eroticism are all listed as emotions in the Atlas of Personality, Emotion and Behaviour (Mobbs, 2020). In the atlas taxonomy, emotion is defined the perception of a neurological impulse that initiates behaviour (typically abstract nouns).
The full catalogue is available at: https://doi.org/10.6084/m9....
The article you link to mentions that the sample used in the research was women, there is a passing mention of males having slight pupil dilation when shown images of male masturbation.
However, the data seems to point to something a bit more complicated, Levay (2017), explains that though women in this area of research typically show stronger signs of ...
As far as I am aware, there is no such word in the English language as Philia, but it is a suffix within words.
Also, the suffix of -philia in a word does not necessarily denote anything sexual.
The -philia suffix denotes one of the following (Merriam-Webster, n.d.):
friendly feeling toward(as in Francophilia)
tendency toward(as in hemophilia)
I find that it is fair to say men benefit from casual sex encounters more than women.
In the Penguin publication the "Red Queen" by Matt Ridley, he writes:
Throughout our evolutionary history, men and women have faced different sexual opportunities and constraints. For a man casual sex with a stranger carried only a small risk - ...