The PIC16F18313 data sheet includes this:
29.1
Capture Mode
Capture mode makes use of either the 16-bit Timer0 or
Timer1 resource. When an event occurs on the capture
source, the 16-bit CCPRxH:CCPRxL register pair
captures and stores the 16-bit value of the
TMR0H:TMR0L or TMR1H:TMR1L register pair,
respectively.

But the rest of capture mode only refers to Timer 1.
Is it possible to capture Timer 0?

 

As you have quoted 29.1
Specifically states T0 & T1 ?

Capture mode makes use of either the 16-bit Timer0 or
Timer1 resource. When an event occurs on the capture
source, the 16-bit CCPRxH:CCPRxL register pair
captures and stores the 16-bit value of the
TMR0H:TMR0L or TMR1H:TMR1L register pair,
respectively. An event is defined as one of the following
and is configured by the CCPxMODE[3:0] bits of the
CCPxCON register:
• Every falling edge
• Every rising edge
• Every 4th rising edge
• Every 16th rising edge

 

This chip has two CCP modules. I believe the 'x' in CCPRxH:CCPRxL refers to which CCP module not which timer.
From the datasheet register information:
REGISTER 29-3:
CCPRxL REGISTER: CCPx REGISTER LOW BYTE
CCPxMODE = Capture mode
CCPRxL[7:0]: Captured value of TMR1L

 

For anyone else who may be interested, the answer is no. Only timer 1 can be captured.
See https://forum.microchip.com/s/topic/a5CV40000000IJVMA2/t393856