Tradition of Kaula Tantras

How science of Tantra came on earth ? Specially that of Siddha Yogeshwari Matam , which is primary tantra of Kaula marga preached by Sri Abhinavagupta. How this tantra came on to earth . Abhinavagupta gives the tradition of this coming in Tantraloka .
Original there was Tantra of 9 cr verses taught by Bhairava to Bhairavi .
In each generation it was reduced by 1 Cr until it came to Brihaspati in 1 Cr verses .
Brihaspat divided it into quarters of four . Each 25 lacs verses He gave to Daksha , Samvarta & Vamana etc
From Vamana , Shukracharya received 12.5 lacs verses
He taught Bali 6.25 lacs . From Bali , Narasimha received 3.125 lacs verses . He taught Gaurda half of that he 1.5626 lacs ie 156260 shlokas in anushtubha verses & same to Vasuki .
From here Ravana took out half of the verses ie 78130 & brought it on earth . Here in 17th generation, this Siddha Yogeshwari Tantra came on earth .
Ravana taught this to Vibhishana . Vibhishana to Sri Rama . Sri Rama to Laxmana . Laxmana to Siddhas .
Siddhas  to Danavas . Danavas to Guhyakas .Guhyakas taught this to Yogis .Yogis taught this to Kings .
Here this Tantra was lost at end of Dwapara age .
This was again brought into light by Sri Kantha . He taught it to Tryambaka , Amardaka & Srinatha in forms of Advaita , Dwaita & Dwaita Advaita . Tryambaka taught this Advaita Kaula marga to his daughter Ardhatryambika . From her teachings of Siddha Yogeshwari Matam came up to Abhinavagupta in 10 th century.
From Abhinavagupta it came to us in 8th generation. Here generation is Guru Teacher transition . Time interval can be long as many past Gurus can also initiate in current times .